航空缩略语词典

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(3) Sometimes used as a synonym for software life cycle. Software ) v+ R* ? N6 l' N7 I' WDocumentation Technical data or information, including computer listings and printouts, in ) b& U+ h) K; h! K5 t) o( b5 r4 ehuman-readable form, that describe or specify the design or details, explain the % D3 w" r/ X$ r6 n5 {! ocapabilities, or provide operating instructions for using the software to obtain desired results from a software system. (See Documentation.) * ], Q$ x+ n( n! l' S2 m7 p, sSoftware Engineering 7 R+ I- ?4 h, {" K. n. z(1) A discipline whose objectives are to define, create, and apply a welldefined methodology that addresses a software life cycle of planning, development, and maintenance. + l' Y: r R0 p(2) The application of a systematic, disciplined, quantifiable approach to the development, operation, and maintenance of software, that is, the application of engineering to software. Software Life $ }7 V2 q' N7 \1 N3 zCycle The period of time that begins when a software product is conceived and ends when the software is no longer available for use. The software life cycle typically ( ^- I( X# R" D' @& Sincludes a concept phase, requirements phase, design phase, implementation 7 G3 e! T* g9 ?' sphase, test phase, operation and maintenance phase, and, sometimes, & F) v6 [7 H: `0 x! g8 Uretirement phase. Software Support The sum of all activities that take place to ensure that implemented and fielded software continues to fully support the operational mission of the system. 1 V# Q- M' Q& j, k4 f) |Software support includes pre-deployment software support and postdeployment software support. Software Test , u( S( m6 M" d) ?Environment 7 Z6 [( [* H3 S6 J5 T8 Q4 t) |A set of automated tools, firmware devices, and hardware necessary to test 6 P5 c2 n6 L. X, N) z. j/ csoftware. The automated tools may include but are not limited to test tools such as simulation software, code analyzers, test case generators, path analyzers, - V& ?* r; D& g' s& retc. and may also include those tools used in the software engineering environment. , g t9 \1 ]9 X; ^: v5 \, A9 ySOI (1) Silicon-on-Insulator. (1) See Space Object Identification. SOIF See System Operation and Integration Functions. 1 ?. w' K) z* a. _6 s& |& KSOJ Stand-Off Jammer. ^0 e+ z4 ^( c" C0 uMDA GLOSSARY, VER. 4.0 S 270 # c3 |: s4 o9 K' U" m& M$ m7 HSoldier-Machine Interface Considerations through system analysis and psychophysiology of equipment designs and operational concepts, to ensure they are compatible with + n, M- ~ `6 ?$ `( o$ [" p4 u2 f' \capabilities and limitations of operators and maintainers. Sole Source ' N! P. b: M: }/ N$ zAcquisition A contract for the purchase of supplies or services that is entered into a proposal * Q0 o3 d$ b: Q# m" }" r5 Tto be entered into by an agency after soliciting and negotiating only one source. # Y2 B* {, t' M' @) O+ o* gSOM System Object Model. , K0 o1 Q9 ~! Q8 M4 mSONET Synchronous Optical Network. SOO Statement of Objectives (See also SOW). 6 H/ D9 T, S) s j5 B9 {# C0 vSOP See Standard Operating Procedure. SORTIELOT Sortie Allotment message (JFACC term). 3 C% _ c. Q* p9 R9 kSORTS Status of Resources and Training System. SOS Silicon-on-Sapphire. SOSUS Sound Surveillance System (USN term). Source Selection Authority , F* [* x! m' u/ E- b9 }! ZThe official designated to direct the source selection process, approve the 7 p2 y+ V0 G( k* jselection plan, select the source(s), and announce contract award. ?, u1 c2 p) S, f! rSource Selection 9 U% }7 {, C4 Z, [Evaluation Board A group of military and/or government civilian personnel, representing functional ' E6 m: W6 X$ b6 Sand technical disciplines. It is charged with evaluating proposals and developing summary facts and findings during source selection. Source Selection Plan (SSP) A formal written document, which sets forth the source selection organization # J0 Z9 U* M9 `. |. Xand management chain for a specific acquisition. It provides a guide for evaluators on how to conduct the evaluation, it details the criteria to be used to evaluate the offers received in a competition procurement, and it establishes a ; Q1 Q/ t# N {, d. Xbasis upon which to distinguish between proposals and to make an award. The ( \" ^7 z6 ~6 I$ u+ SSSP is written by the Program Office and approved by the SSA. SOW Statement of Work. 5 y0 V9 f% R1 Z: w) xSP (1) Security Personnel. (2) Self –propelled. (3) Signal Processing. SP-100 Space Power-100 kW. 1 c+ d g9 w8 ?. z: } Y8 x/ vSP/CR Software Problem/Change Request. $ n$ p: C8 l' h ?7 aSPACC Space Command Center. Space and Missile Tracking System (SMTS) Space-based satellite sensors for surveillance, tracking, and discrimination of * y9 w5 l1 v: u! qenemy objects during post-boost and midcourse phases. These sensors support ground-based interceptors for both theater and national defense. Space-Based / e/ I' v9 S/ m! ]Architecture Study (SBAS) ! }3 h; K; C- PA 1989 study to review the space-based elements of the Phase I SDS architecture, with emphasis on Space-Based Interceptor (SBI), Brilliant Pebbles (BP), and the Space Surveillance and Tracking System (SSTS), to define and justify a recommended architecture for Phase I and beyond. MDA GLOSSARY, VER. 4.0 S 271 Space Based Infrared System & z8 ` n( u4 d. e(SBIRS) , G2 ~/ B3 u5 BSBIRS will be a consolidated system that will meet United States infrared space & N7 V1 Y2 g$ s0 qsurveillance needs through the next 2-3 decades. SBIRS is intended to be an integrated “system of systems” including multiple space constellations and an # }- `5 A9 h+ Revolving ground element. The baseline SBIRS architecture consists of four : d% J9 Z6 w, z- @4 N4 Q3 SGeosynchronous Earth Orbit (GEO) satellites; two sensors on Highly Elliptical Orbit (HEO) satellites; Low Earth Orbit (LEO) satellites; a ground system consisting of a CONUS-based Mission Control Station (MCS), a backup MCS, a survivable MCS, and oversees relay ground stations and re-locatable terminals; and associated communications links. The SBIRS is designed to meet the missile defense, missile warning technical intelligence, and battle space characterization mission requirements identified in the JROC-validated SBIRS Operational Requirements Document. The SBIRS program will begin replacing the operational Defense Support Program (DSP) ground segment in 1999 and 9 D3 K# x0 B$ O* U6 W: jbegin replacing the DSP satellites in 2002. Space-Based 4 M& a, v9 S( v' kInterceptor (SBI) OBSOLETE. A distributed set of low earth orbit satellites that may provide launch detection and booster tracking, and that serve as kinetic or kinetic energy interceptors of boosters, PBVs, and/or RVs. (USSPACECOM) Space-Based Sensor . d8 g1 ^$ e6 U6 `; p) e% \+ x: R: zA system that provides global above-the-horizon surveillance to detect and track PBVs, object clusters (RVs and penaids), and resolved midcourse objects, as well as below-the-horizon tasked hot spot detection of boost phase missiles when cued by a space-based weapon or a priori knowledge. It provides surveillance data for use in situation assessment, operational intelligence collection, and for cueing other sensor and weapon elements. During 8 z: J7 `7 H4 D9 Wmidcourse, sensors discriminate and track RVs and associated objects to support 6 @6 g8 Q0 g f9 \midcourse engagements. (USSPACECOM) Space-Based Surveillance and - k: ^0 I5 [/ \$ O W1 D) z, s* rTracking System 9 S7 ~! I8 |2 f(SSTS) OBSOLETE. A satellite-borne electro-optic tracking and surveillance system in medium earth orbit. The satellites would track targets from medium earth orbits against a cold space background and near the earth limb. Individual objects’ 3 g( S8 r* \6 t9 ], k9 \$ G+ Lstate vectors would be generated from correlated information from two or more 4 a9 U: c0 Y* b7 U# m; Msensors. (Predecessor to Brilliant Eyes (BE). ! W- q0 T) e' D/ ]* I3 Q$ `, vSpace Command - r$ r+ V4 ?4 S2 q5 tCenter (SPACC) 7 w+ @4 a) \* D1 G- C4 L- UA USSPACECOM center located on Peterson AFB, CO, in Building 147(1). It is the primary command facility for USSPACECOM providing USCINCSPACE with the information necessary to perform assigned missions.

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SLAM Standoff Land Attack Missile. SLAM-ER Standoff Land Attack Missile-Expanded Response (USN term). SLAR Side Looking Airborne Radar. % a7 v% E; n3 e! x. C: rSLAT Supersonic Low Altitude Target [missile]. MDA GLOSSARY, VER. 4.0 S 267 4 A9 F4 h }' T [Slave A remote system or terminal whose functions are controlled by a central "master" system. It is similar in concept to a host system in that it responds to remotely generated requests, but unlike a host system, is usually capable of performing a limited range of operations. SLBD Sea Lite Beam Director. 9 H" F0 r, g1 A4 VSLBM Submarine-Launched Ballistic Missile. ( |/ O. Y; z; o9 C. s1 iSLC Space Launch Complex. 6 j" D- C4 A/ w2 ASLCM Sea-Launched Cruise Missile. + F1 @% [2 D( \! V# j, Q7 S& gSLD System Link Designator. Slew Time The time needed for a weapon/sensor/antenna to move from point to point. , g% K% E9 W# [5 w7 lSLIP Serial Line Internet Protocol. SLKT Survivability, Lethality, and Key Technology. & N' y7 u/ P# S& B% \, h, NSLOC Sea Line of Communication. 6 H( {/ Y0 a4 n5 P/ CSLRX System Life-cycle Risk Expert. 4 }1 x" ^! r0 H5 j: O2 I xSLS See Shoot-Look-Shoot. ' V/ L# c; n% p1 C X- MSLT Strategic Laser Technology. % z3 G3 o6 d0 Q. lSLV (1) Space Launched Vehicle. (2) Satellite Launch Vehicle. , S& J; F) J3 V6 t4 I- o! {SM (1) Skunkworks Mission. (2) System Manager. SM&R Source, Maintenance and Recoverability (ILS term). SM-2 Standard Missile-2. (U.S. Navy) SM-3 Standard Missile-3. SM-ALC Sacramento Air Logistics Center (USAF term). Small Optics Precision mirrors or refractors, less than 1 meter, and related technology, for ( v6 c# T0 q" C) z5 v1 vprecise pointing and tracking from/to relatively small vehicles separated by large ! Q# [* v5 F6 }- n$ }" Bdistances. + O! K; F4 s* a# ~Smart Checklist “Destroy, disrupt, damage or destroy” BMC3 tool for BMD warfighters. . J) }3 u3 c* O7 VSmart Munitions Munitions that “think for themselves” and have the self-contained ability to 8 _9 q4 _4 w1 ?% h/ A/ ssearch, detect, acquire and engage targets. SMAT Satellite and Missile Analysis Tool. 4 E( c- e2 A m1 O- ?SMATH Space Materials Advanced Technology for Hardness. ( q* I& D+ P: h9 j" d- @SMC Space and Missile System Center. SMCo Standard Missile Company. MDA GLOSSARY, VER. 4.0 S 268 - ] I) j3 f: ^3 R( G) oSMCS Standard Monitoring and Control System (for US naval ships) (see ICS). + N4 ]4 H2 b, DSMD (1) Strategic Missile Defense. (2) OBSOLETE. Navy Sea-Based Midcourse Defense. See AEGIS BMD. / |4 H- I3 j6 z8 YSME (1) Single Management Element. (2) Subject Matter Expert. . k: k8 \1 t `8 l) nSMERFS Statistical Modeling and Estimation of Reliability Functions for Software. SMES Super Conducting Magnetic Energy Storage. , Y& U! T [( YSMMW Submillimeter Wave. SMP Soviet Military Power (US DoD publication). : e6 e" s8 f: A+ k" }SMR Code Source, Maintenance, and Recoverability Code (ILS term). ! J! z7 D2 z( d3 rSMS Standard Mobile Segment. # Q7 J8 Z7 M: P8 J! \( Y! TSMTP Simple Mail Transfer Protocol (computer term). SMTS Space and Missile Tracking System (formerly called Brilliant Eyes). $ o% X c, i% zSNC System Network Controller. 2 Q. U- _: m/ Y+ J- GSNDM Secretary of the Navy Decision Memorandum. 6 d+ O5 ]4 a/ X' B$ XSNDV Strategic Nuclear Delivery Vehicle. * b Q$ M. e6 z0 O0 ASNF Strategic Nuclear Forces. SNI San Nicholas Island. Part of the PMTC. SNIE Special National Intelligence Element. D# N l- E6 WSNIPE OBSOLETE. SDI System Network Processor Engine. + W u' \# }% Y$ NSNL Sandia National Laboratory, Albuquerque, NM. 3 P7 }; Y3 e. X1 K- R4 f8 nSNR See Signal-to-Noise Ratio (Also called S/N). SNRC Soreq [Israeli] Nuclear Research Center. SOA (1) State-of-the-Art. (2) Speed of Advance. ' j+ z6 q- `1 p# Q8 sSOC Statement of Capability (Contracting term). 0 E, o4 S* h+ S! ?5 F0 X# ^$ mSOCOM Special Operations Command. , N, t: w6 `/ F7 @: s! X1 ^SOCS Subcommittee on Computer Security. SODD System and Operations Document. & T* P% j) R% N, N2 i+ lSODO Senior Offense/Defense Simulator. SOF (1) See Strategic Offense Forces. (2) Special Operations Forces. MDA GLOSSARY, VER. 4.0 S 269 $ q. @1 y' |; K' i \: JSOFA Status of Forces Agreement. ) \ j+ {% m4 W, |8 l3 lSoftware ) N* h; R. W% w& Y$ E2 t7 U/ _4 KArchitecture The implementation of solutions to the problems in the domain. It becomes a 8 @7 s4 E j* a+ s5 Qmodel for constructing applications and mapping requirements from the domain 2 Q, R/ u: y+ A6 O; emodel to reusable components. A generic architecture provides a high-level generic design for a family of related applications as well as a set of components intended for any instance of that application. The generic design eliminates the need to develop a high-level design for each application within the domain. As a result, domain developers use these representations as specifications for reusable components. 6 C$ S, B' e. R8 F% [! B% |Software Development , Q6 {* \1 c9 u+ c# ?$ L! i( p4 `Cycle (1) The period of time that begins with the decision to develop a software $ c+ {, r, q3 @/ hproduct and ends when the product is delivered. This cycle typically % A4 g7 A z+ |7 k8 q; ]includes a requirements phase, design phase, implementation phase, 1 }; j% P$ E( D" k* _test phase, and sometimes, installation and checkout phase. Contrast : n, _; L% W6 xwith software life cycle. (2) The period of time that begins with the decision to develop a software product and ends when the developer is no longer enhancing the " W2 ~* X% u0 q- i$ {, ?product.

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SIMM Second In-line Memory Module. Simple Security Condition A Bell-LaPadula security model rule allowing a subject read access to an object only if the security level of the subject dominates the security level of the object. " d: \) f. h; CSIMS Security Information Management System. 2 c) W. p$ R# O/ ^- q* o/ z: J) FSimulation A simulation is a method for implementing a model. It is the process of conducting experiments with a model for the purpose of understanding the 8 t8 v: x: z1 R, M: ibehavior of the system modeled under selected conditions or of evaluating various strategies for the operation of the system within the limits imposed by developmental or operational criteria. Simulation may include the use of analog 0 j2 ]( z6 J+ \ J8 Y* X* o, W* {- |or digital devices, laboratory models, or “test bed” sites. Simulations are usually programmed for solution on a computer; however, in the broadest sense, military exercises and wargames are also simulations. 5 O6 T6 f, @, V0 V! U5 W( i' ?Simulator A generic term used to describe a family of equipment used to represent threat weapon systems in development testing, operational testing, and training. A threat simulator has one or more characteristics which, when detected by human senses or man-made sensors, provide the appearance of an actual threat weapon system with a prescribed degree of fidelity. : ~& a8 U( h+ s, hSINCGARS Single-Channel and Airborne Radio System. Single Integrated ) {4 c2 m2 Z2 GOperational Plan (SIOP) Plan by which the nuclear strategic offensive forces will retaliate when directed ( M: @: N; }& Y5 J0 {/ bby the NCA. ; r# _9 }1 m) ^* Q2 \5 R- W$ q0 `Single-Level Device A device that is used to process data of a single security level at any one time. $ B# _! |2 L& H1 z4 L, vSince the device need not be trusted to separate data of different security % b9 H) M+ k7 {5 h5 llevels, sensitivity labels do not have to be stored with the data being processed. Singlet A space vehicle, such as a Brilliant Pebble, which contains only one intercept vehicle. 9 A% E. F6 \* s3 G) |% I0 Q4 T) o1 ySIOP See Single Integrated Operational Plan. SIP SINCGARS Improvement Program (US Army term). 8 D d) [1 O- ZSIPM Service Integration Program Manager. MDA GLOSSARY, VER. 4.0 S # H" h {5 m9 m) F; J. y" f266 ! Z6 d% m* [: F7 t a3 Q! ]' sSIPRI Stockholm International Peace Research Institute (Sweden). SIPRNET (1) Secret Internet Protocol Router Network. (2) Secure Information Protocol Net. SIPT (1) System Integrated Product Team. (2) Services Integrated Product Team. 7 F0 w3 y7 R, s2 {- L4 BSIR Signal Interface Ratio. SIRE Space Infrared Experiment. SIRMR Senior Information Resources Management Representative. + |2 z Y! e u3 |SIRRM Standardized Infrared Radiation Model. % m/ q1 s% ]7 I8 f& sSIRST System Shipboard Infrared Search and Track System (USN term). SIS Special Compartmented Information Isolation Segment. - z1 c# b" x# S J5 W4 E* x# KSISS Subcommittee on Information Systems Security. 7 R0 w( O9 k) P' LSIT System Integration Test. Situation Assessment 8 m7 I; d5 k, O+ vThe determination of the extent to which observed event(s) constitute a threat 6 T- ~. V& O9 e) X8 _ l(e.g., isolated event, mass attack, etc.), using the attack characterization information. SIWS School of Information Warfare and Strategy. 4 x$ ?8 N( ]4 N0 m0 N VSix Year Defense ; T# g) P7 Y9 o+ F4 A/ {Program (SYDP) / X" d$ r5 q8 }! b, FThe official DoD document, which summarizes forces and resources associated with programs approved by SECDEF. Its three parts are the organizations 9 W o4 j- U6 |affected, appropriations accounts (RDT&E, operations & maintenance, etc.), and # o' j. }3 C: ~0 `: ^1 E$ ?the 10 major force programs (strategic forces, airlift/sealift, R&D, etc.). R&D is 6 t0 w7 Z; h0 w& ~0 gProgram 6. Under the annual PPBS cycle, SYDP is published normally three , }/ D0 t+ x0 U8 f' Wtimes: October, January and May. The primary data element in SYDP 9 n% o8 z4 y4 l T5 Hrepresenting aggregation of organizational entities and related resources is the # I& A& @: R* r# v$ j7 ^% i! Bprogram element. 4 t. ?5 X7 s+ }" p- A1 ]Size of Threat Corridor (LxWxAltitude) A volume of space in which a particular group of RVs would 6 @6 h+ K$ B. M" ~occupy, defined by launch location and designated target area. . Z: r, x9 [) j2 q2 m" v( }; G- ]SKKP (Former) Soviet system of outer space monitoring. ' Q2 [6 T: p1 r) T: JSkunkworks A separate program management operation established to operate outside the normal process, either to expedite development or because of high security + P0 B/ f# f/ P4 [2 i5 }9 _% Pclassification. SL Sea Level.

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SESE Software Engineering Support Environment. SET System Evaluation Threat. N' l3 h8 q, V4 z$ {SETA Scientific, Engineering, and Technical Assistance. SETAC Systems Engineering and Technical Assistance Contractor. 5 d" x$ _7 O# i5 ISETP Solar Electric Aircraft Test Platform. 5 x5 x5 C1 Q6 J3 ZSEW Space Electronics Warfare. SEWC Space and Electronic Warfare Coordinator. 7 W7 {# h5 g5 l1 s1 B+ m* M* DSEWS Satellite Early Warning System. SF Standard Form. SFC Space Forecast Center. 4 h+ w2 F \8 n- V0 y, GSFS Shoot-Fail-Shoot. SG (1) Steering Group ; m3 b! }# C3 `: Y3 P$ A(2) Silicon Graphics ! j) q0 K X* ^, aSGEMP System/Source Generated Electromagnetic Pulse. SGLS Space/Ground Link Subsystem. 7 S0 Y" W$ }* g& _( M0 A% vSHAPE Supreme Headquarters Allied Powers Europe. SHF Super High Frequency. SHIELD (1) System High Energy Laser Demonstration. 9 m/ W" P1 z3 U( o7 U( f' z, e9 A(2) Silicon Hybrid Extrinsic Long-Wavelength Detection. Shielding Any material or obstruction, which absorbs (or attenuates) radiation and thus 1 l9 b9 }$ V. _! Itends to protect personnel or materials from the effects of a nuclear explosion. A moderately thick layer of any opaque material will provide satisfactory shielding 7 X6 w* a1 H6 G$ W! t2 G) ^ M0 qfrom thermal radiation, but a considerable thickness of material of high density may be needed for nuclear radiation shielding. Electrically continuous housing for a facility, area, or component, attenuates impinging electric and magnetic fields. , t* y/ g; ]8 E* v1 ESHIPALT Ship Alteration. Shoot-Back The technique of defending a space asset by shooting at an attacker. MDA GLOSSARY, VER. 4.0 S # A" M; \2 R. V( [" a) R3 G264 Shoot-Look-Shoot 4 ? o4 J6 Y7 c: F# l3 y(SLS) * [6 j3 N2 u7 WA tactic used to achieve Defense Engagement Options (DEOs), such as assured / l- _' x/ x$ [" ] Q4 i+ `3 Vkill by shooting at the target, looking to see if it was killed, and shooting again, if necessary, to achieve the kill. % D; s9 N0 H2 @2 B( |1 iSHORAD Short-Range Air Defense. ^, R5 s3 B, S( r% X* ]1 nShort Range Air * P/ G( D& k# B9 T( nLaunch Target Single-stage, air-launched, solid propellant theater target with threat . e0 J% ?3 B0 v! b8 E/ {$ y, zrepresentative reentry vehicle. Short Range Ballistic Missile % Y5 g3 [1 `3 k* x6 N0 _(SRBM) A ballistic missile with a range capability of 30 km to 1,000 km. (USSPACECOM) # x$ @1 `0 ?. g0 UShort Wavelength Infrared (SWIR) / N8 ~" J3 d1 p! X e5 {Thermal radiation emitted by a source in the electromagnetic spectrum encompassing infrared wavelengths of 0.75 to 3 microns. SHOTL Simulated Hot Launch (missile engineering term). & p/ f( a. |9 d! z7 D0 @; ]shp Shaft Horsepower. _5 ?. r8 e4 ` s' O& {- Z2 BShrouded RVs Reentry vehicles enclosed in a material designed to shield its thermal and other R( y \# J$ ]' zcharacteristics. + u$ C* a3 x" ~( W8 ?( ySI Special Intelligence. . o: F0 N* y4 }/ \, M1 k$ n2 d% eSI&I Systems Integration and Interoperability. SIC (1) Silicon Carbide. (2) Standard Industrial Classification. SICPS Standard Integrated Command Post Shelter. SIDAC Single Integrated Damage Assessment Capability. $ U% c& g0 Y" ESIDD System Interface Description Document (US Army term). Sidelobes Residual EMR surrounding the main beam, which is of weaker power than the 0 p0 `% e0 t6 w% R8 ^$ kmain beam. 1 z9 E: @9 z+ R6 Z+ d# |: gSIDPERS Standard Installation Division Personnel System (US Army term). 8 U' L# | M! }6 ]* jSIDS Secondary Imagery Dissemination System. 5 W2 h8 p3 a+ N6 T/ USIE SATKA Integrated Experiment. SIF (1) System Integration Facility. (2) Selective Identification Feature SIGINT Signal Intelligence. X2 `; l; Q9 USignals Security : L7 k; I6 b" v+ {(SIGSEC) ! u9 Z4 S# f2 \$ MThe overall program for communication and electronic security. 8 A) A" b2 s2 ESignal-to-Noise 8 @9 v2 B' o8 s, F5 `( ^Ratio (S/N) (SNR) Relative power of the signal to the noise in a channel; usually measured in + Q( U) }2 }3 ~decibels. # J- U4 @* E. E9 pMDA GLOSSARY, VER. 4.0 S - ?: Q W1 @7 S2 s) N265 Signature (1) Distinctive type of radiation emitted or reflected by a target, which can be . F4 Q8 i/ J4 [0 r" `used to identify that target. (2) The characteristic pattern of a target displayed by detection and ! }/ d" \9 ?4 iidentification equipment. Signature : T. m0 J' b. g& y, O2 Y4 x. r, _Histories 9 W+ a$ K- {% V5 JA list of observed target signature characteristic parameter values as a function of missile flight time used for target discrimination and kill assessment. SIGSEC Signals Security. : h9 P5 ~4 v" E0 f" {SIIPT System Integration Integrated Product Team (THAAD Program term). SIL Systems Integration Laboratory; Sunnyvale, CA. SIM Simulation.

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Selected * j& [/ [. s1 @8 xAcquisition # N+ f0 [6 i) [4 | {Reports (SAR) Standard, comprehensive, summary status reports on major defense acquisition programs (ACAT I) required for periodic submission to Congress. # u! d' D) ]4 OSelective, 0 y) B- e k/ bAdaptive Defense Selective, adaptive defense assigns interceptors to RVs based upon defended asset values, the number of arriving RVs and time to impact. : k0 Z7 A, w7 A0 e4 D& H5 L1 w, sSelective Kill Assigns interceptors to targets on the basis of missile type, launch area, impact area, time of launch/arrival, or predicted threat utility (e.g., SS-18 or its follow-on). Selectivity Refers to choosing a subset of targets either for attack or defense. (See Preferential Defense and Preferential Offense.) SEMA Special Electronics Mission Aircraft. - i* @8 s. f; |" j) ^Semi-Active Homing 3 \% N" c' L& l2 Q# t% o# RGuidance A system of homing guidance wherein the receiver in a missile utilizes radiations from a target, which has been illuminated by an outside source. Semi-Active Sensor One that does not generate radiation itself, but that detects radiation reflected 4 P8 ~6 w4 E) n# ~% I7 {0 r2 M+ wby targets when they are illuminated by other BMD components. Such devices ! v8 ^' v8 l, V% N3 f0 G' Bare used for tracking and identification and can operate without revealing their , F0 k9 s1 [5 b$ Yown locations. SEMP Systems Engineering Management Plan. SEMS System Engineering Management Schedule. MDA GLOSSARY, VER. 4.0 S 262 7 Y4 w/ j$ o& c% m i9 ESenior Procurement / ^7 e: X- U2 ~- _& f3 i* z7 UExecutive (SPE) The senior official responsible for management direction of the Service 7 v( ~. H9 P1 r& cprocurement system, including implementation of unique procurement policies, 4 x5 T$ ^7 {% F$ o+ _& Vregulations, and standards. The Senior Procurement Executive for all non- 6 n+ s9 H# U) ~9 ^' |6 s' oService DoD Components is the Under Secretary of Defense for Acquisition and Technology, who has delegated many of these functions to the Heads of ( y& G! ^- B' V( J1 ]Defense Agencies including the Director, MDA. SENSCOM Sentinel System Command. 0 Y7 @' B. v, a, i! nSensor Data Measurement information. For a passive sensor it is usually irradiance time, and LOS. For an active sensor it may include range, Doppler, cross section, etc., as well. Sentinel ABM system designed for light area defense against a low-level ballistic missile 9 V+ _ n3 `; J& g* [attack on the United States. Developed into the Safeguard system in late 1960's. ' p* U6 `7 `. ]0 ?5 sSEO Survivability Enhancement Option. SEP Signal Entrance Panel. / K9 a( [6 i# sSeparation Hardware $ L0 F+ _+ i. y% A, ~9 \Objects expelled during payload separation sequence. + {8 l& n# @2 h9 a2 E$ d. pSEPG Software Engineering Process Group. * Z/ q; m) j* j1 rSEPRD System Element Production Readiness Demonstration. % Y6 h% U$ ^7 U }: jSEQ Sequence, or Staff Equivalent. Sequestration The reduction or cancellation of new budget authority; un-obligated balances, new loan guarantee commitments or limitations; new direct loan obligations, commitments, or limitations; spending authority; and obligation limitations. As delineated in the Budget Enforcement Act of 1990, sequestration is necessary if # k n2 B' B+ qlegislation is enacted that would cause spending in any appropriations category % [" F, Z* c" Q3 n& Cto exceed a specified cap. SERB Software Engineering Review Board. SERD Support Equipment Recommendation Data (ILS term). SERG System Engineering Review Group. + m; m# G8 |# F7 f6 SService Acquisition Executive (SAE) See definition of DoD Component Acquisition Executive. 0 h( t5 O( j0 ^8 L p, WService BMD - m' C) E( A- x7 O* gProgram , L& ?" F9 o8 a; T8 I1 [$ p, I. NExecutive Officer 0 r$ Q9 {6 I! Q( h" T4 P2 r(PEO) % J( X' a4 B- c/ M/ UA senior official responsible for execution of Service PMAs and for providing guidance and Service-related direction to subordinate Program Managers. The 6 g7 V! {! @/ q) t3 ^- uPEO will also serve as a deputy to the GM. (Consistent with PEO authorities and responsibilities documented in DoDD 5000.1 and DoDI 5000.2.) Service & P; U0 a. X# c# Z% b# jComponent 5 D# D7 O( q V: JCommand B/ Z9 v2 P* Y6 j/ E) iA command consisting of the Service component commander and all those individuals, units, detachments, organizations and installations under the c2 h4 C" X5 K/ c# o8 dcommand that have been assigned to the unified command. 0 S6 V( K3 h! K6 gMDA GLOSSARY, VER. 4.0 S 263 ( d4 _: g2 ? I( h. @( s0 a6 R+ nService Life $ D& [$ g9 e9 m* JExtension / K4 ^* d' S5 u) ZProgram (SLEP) 6 Q$ @2 t3 J( Z; }( AModification(s) to fielded systems undertaken to extend the life of the system ' r' ~' h8 o( ~: p3 O# j: r7 B/ T) Ybeyond what was previously planned. " ~$ s# G. U' V# s; N* l2 LService Test A test of an item, system, or technique conducted under simulated or actual 6 M( e" a8 m' p1 ^( noperational conditions to determine whether the specific military requirements or * W9 \8 S [& M5 }$ S6 X& Jcharacteristics are satisfied. + l, s' L- ^0 c& Y5 i8 T4 `SES Seeker Experimental System.

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SDS-CC Strategic Defense System - Command Center. SDSD Strategic Defense System Description. SDS-OC Strategic Defense System - Operations Center. ; J/ e4 @3 ~% y2 S% wSE Systems Engineering. + ]! O6 }/ D) ?, `SE&I Systems Engineering and Integration. SE-CPAT Systems Engineering – Critical Process Assessment Tool (AFMC term). 7 R, K- b# Y5 y9 O, x; USEA [Military] Service Executing Agent. 0 e' w( s" N; e H1 ?- c. kSEAD Suppression of Enemy Air Defenses. SEALS Sea Air Land (Special Operations forces (USN). " L. r0 H( S. v" FSearch, Active Illuminate an assigned volume of space with electromagnetic energy and collect 2 @% X- a8 P/ |( M7 u% X! Jreflected radiation. MDA GLOSSARY, VER. 4.0 S 260 Search, Passive Collect radiation from an assigned volume of space. 5 f% @: |7 `4 J+ ?, |# CSEATO Southeast Asia Treaty Organization. % Z: k/ F% D! cSECC Survivable and Enduring Command Center. , w0 z& [5 r( P: }4 kSECDEF Secretary of Defense (For Message Use Only). 0 v8 G" f5 Z$ i, k- h! E5 SSECNAV Secretary of the Navy. 8 }) n7 g1 G3 _SECNAVINST Secretary of the Navy Instruction. Second Strike Capability ! V: d2 x8 N' V* @3 J6 B @" ~The ability to survive a first strike with sufficient resources to deliver an affective 9 i0 \" e& m% O! Jcounterblow (generally associated with nuclear weapons). 7 v+ @/ I/ V/ }* p% PSecondary Station A station that has been selected to receive a transmission from the primary % t X) a' s4 P( \7 ? Tstation. The assignment of secondary status is temporary, under control of the primary station, and continues for the duration of a transmission. , p: v1 P$ b8 J& JSecurity Architecture $ t" i$ U- f, o; x; \The portion of the baseline SDS architecture that is responsible for preserving the confidentiality, integrity, and assured service of any of the sensitive, systemvalued functions and information elements (assets). Security Criteria The set of requirements that should be met so the security system can provide a maximum degree of effective deterrence at the lowest cost. Security Level The combination of hierarchical classification and a set of non-hierarchical categories that represents the sensitivity of information. Security Policy The set of laws, rules, and practices that regulate how an organization manages, protects, and distributes sensitive information. Security Policy Model An informal presentation of a formal security policy model. Security Program The implementation of formal security policies and procedures established by * C! S( ^7 r" S, J, }8 hDoD and other departmental publications to secure vital components of weapon systems and essential direct support systems from enemy hostile operations and other forms of ground attack. ; t: F0 }: c8 }1 W0 [6 |Security # A6 G1 n$ |9 x0 ]3 aRelevant Event 5 \+ W c+ f, Q6 QAny event that attempts to change the security state of the system. Also, any * ?- \% |2 A& L& H( fevent that attempts to violate the security policy of the system. , v9 g0 Q3 v& M, l8 h" c- `Security Subsystem That part of a weapon or defense system, which is added specifically for the : m$ ^; l4 Y% |0 X6 g# S( }" pperformance of security, functions and not categorized as components of other subsystems. 0 T1 Z# ], H) |# k8 cSecurity System The aggregate of all mechanical and electronic equipment countermeasures in a system which contributes to its security from intelligence gathering and ) R4 k* ?+ F0 s$ W5 g: w, Wclandestine or overt attack, including organized system function and procedures, % [0 N1 q u, }as well as the security subsystem. " ]9 H7 B" g. y2 a# ~Security Testing A process used to determine that the security features of a system are 4 K- {' [0 }3 X, Wimplemented as designed and that they are adequate for a proposed application - g9 `3 Y& Y5 S& O# Z- V7 Uenvironment. - F9 z( h0 m% N5 m$ zSED Software Engineering Division. ; |6 S" O, B' o6 G! X& b+ zMDA GLOSSARY, VER. 4.0 S ( F& m, H9 }/ P261 SEDD Systems Engineering Development Data Base. " i- V, C/ s5 `( X% ISEDS System Engineering Detailed Schedule s0 j. S. S0 B# j) }2 B. jSEE Software Engineering Environment. * \. F% O" F0 x4 k" MSEED Support for East European Democracy (P.L.101-179; 22 USC 5421). 5 h& F$ T1 p! L/ m* @SEER (1) Sensor Equipment Evaluation and Review. 5 N/ t4 R! i r& S/ G9 L(2) Sensor Experimental Evaluation Review. 1 h8 f, A* \3 w- q; g; }SEFC Space Environment Forecast Center. 7 c0 D& m- X# ^/ z: q1 cSegment A grouping of elements that are closely related and often physically interface. It ! x6 @. i- x) ]3 z' I% Y: econsists of CIs produced by several contractors and integrated by one. SEI Software Engineering Institute. 0 H' l+ I2 P z% N% s$ D2 q8 LSEIC Systems Engineering and Integration Contractor. SEIC PP Systems Engineering Integration Contractor Program Plan. SEIPT Systems Engineering Integrated Product Team. SEIT Systems Engineering Integration and Test.

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SBS Stimulated Brillouin Scattering. 6 V. |; _7 _0 G d/ Y7 D8 ?7 @ D6 tSBSim Space-Based Simulator. ) |# ^7 ^) D( b3 M: q4 L# L" P8 ZSBSS Space-Based Surveillance System. SBV Sensor Space-Based Visible Sensor. ' n5 J. S6 H7 X" B; LSBWAS Space-Based Warning System. * |8 H1 [* C1 s OSBWS Space Based Warning System. SBX Sea-based X-band Radar – A moveable platform for the BMDS test bed * @! B" R( M2 K- dSC (1) System Center. (2) System Concept. (3) Simulation Center. (4) System Controller. 3 c/ p! f5 c1 n4 Y! Z2 J, l; gSC/BM System Concepts/Battle Management. Scaling Law A mathematical relationship, which permits the effects of a nuclear (or atomic) explosion of given energy yield to be determined as a function of distance from 9 n8 P0 o7 K' }$ Xthe explosion (or from ground zero), provided the corresponding effect is known as a function of distance for a reference explosion (e.g., of 1-kiloton energy 6 d: P2 E$ ~- W( y+ oyield). ; \1 R+ s- K+ tScan In an electro-magnetic or acoustic search, one complete rotation of the antenna. 2 R% N! D3 l8 T2 V/ Z2 P* r2 v1 {1 ^! ]Scan Type The path made in space by a point on the radar beam; for example, circular, ) M+ M$ n: w9 k+ Z8 Rhelical, conical, spiral, or sector. " q$ j5 a4 r! L! y$ n/ N( |4 LSCARLET Solar Concentrator Arrays with Refractive Linear Element Technology. Scattering The diversion of radiation, including radio, radar, thermal, and nuclear, from its original path as a result of interactions (or collisions) with atoms, molecules, or larger particles in the atmosphere or other medium between the source of the + C/ Q8 w' i: v2 w( rradiations (e.g., a nuclear explosion) and a point at some distance away. As a 3 s1 I* z1 F, p" [# W9 }3 Mresult of scattering, radiation (especially gamma rays and neutrons) will be received at such a point from many directions instead of only from the direction of the source. 2 Y2 Y' o4 L' |3 l4 l% O+ XSCB Strategic Defense System Control Board. ( T6 S/ n* a6 [: dSCC (1) Standing Consultative Commission (Treaty negotiation related term). (2) Space Control Center. MDA GLOSSARY, VER. 4.0 S 258 % O' {( d {9 s# q2 y4 pSCCB System Configuration Control Board. : ]! _4 e# s! p! n3 p' TSCDL Surveillance Control Data Link. SCE Submunition Chemical Experiment. + b! Z3 t0 G4 U# ~& U iSCF Satellite Control Facility. 7 i7 y @' x3 O5 y! q7 A5 |SCG Security Classification Guide. SCI Special Compartmented Information (Security term). SCIF Sensitive Compartmented Information Facility (Security term). % A0 m- }2 n) I4 y2 S7 gSCIT Systems Concept Integrated Technology. " B8 U8 O3 C- r uSCMP Software Configuration Management Board. SCN (1) Specification Change Notice. (2) Ship Construction and Conversion (Navy). 4 c% X2 p) I8 W(3) Space Communications Network. SCOMP Secure Communications Processor. : x" V' m% c5 vSCOPA Survivable Concentrating Photovoltaic Array. SCORE Scientific Cooperative Research Exchange (US-UK). A science exchange to & L; b# y: H. `6 D7 n6 e8 Xinvestigate theater missile defense related issues. SCP System Concept Paper. + N& S6 @+ Z7 u7 R$ r6 }6 d/ aSCR Special Contract Requirement. : V8 C% y7 A+ h! x: gSCSI Small Computer Systems Interface. SCT Single Channel Transponder. / S3 p2 e+ x6 E. l) ~) y6 _SCUD Surface-to-Surface Missile System. # y% l3 f3 b6 ` {9 Y) bScudCAP Scud-Combat Air Patrol. SD Strategic Defense Command (Army term) (See also SDC). 2 ~2 e5 p+ x+ n4 i2 tSDB System Design Board. SDC Strategic Defense Command (USA term). SDCC Strategic Defense Command Center. : S+ ]! T( H+ V8 qSDCE Software Development Capability Evaluation (AFMC term). SDCV Shuttle Derived Cargo Vehicle. ' A, \: J9 u) n! h) JSDD System Description Document. ' o m- Y7 D- W3 X' Z) mSDF Self Defense Force. % A9 T9 m) |, W; OSDI OBSOLETE. Strategic Defense Initiative. a. v6 Q$ O; Z7 Q- O. ZMDA GLOSSARY, VER. 4.0 S 259 SDIAE OBSOLETE. SDI Acquisition Executive. (Re-titled BMD Acquisition Executive (BMDAE).) 2 A0 b4 @& U. k: u7 m, sSDIARC OBSOLETE. Strategic Defense Initiative Acquisition Review Council. - X$ ?7 t4 ~* x8 ?; X4 @( y: iSDII OBSOLETE. SDI Institute. SDIO OBSOLETE. Strategic Defense Initiative Organization. (Predecessor % ]! ^1 ?6 S. i* h8 Borganization to Ballistic Missile Defense Organization (MDA).) SDIO/PP Strategic Defense Initiative Organization/Program Planning. 2 r' f5 @3 C. I! o' X9 }/ jSDIP OBSOLETE. Strategic Defense Initiative Program. (Predecessor program to Ballistic Missile Defense Program.) SDISM OBSOLETE. SDI Simulation. SDL Software Development Library. 4 ]3 G0 ~. l% o5 M1 z$ DSDLC Synchronous Data Link Control (TelComm/Computer term). SDLS Satellite Data Link Standard(s). SDN System Design Notebook. SDP Software Development Plan. SDR System Design Review. SDRU System Design Review Update. ! f) R! ^& S. VSDS Strategic Defense System. . L! X2 g/ {+ z' m/ t6 a# T2 { }SDS Element A stand-alone system (e.g., a weapon or satellite), which is the smallest entity capable of performing a designated function with, specified results within the Strategic Defense System.

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SAMOPA Single Accelerator Master Oscillator-Power Amplifier. SAMOS Satellite and Missile Observation System. $ J, E M" e; e9 {1 R0 |SAMP (1) Single Acquisition Management Plan. 5 Z1 I/ J7 z% ]& n- a(2) Security Accreditation Management Plan. 4 J* ]$ Q9 C7 ]2 {SAMP/T Sol-Air Moyenne Portee/Terre (Surface-Air Medium Portable/Terrestrial – French- Italian missile). G P3 T: `2 r" J9 DMDA GLOSSARY, VER. 4.0 S 255 SAMS Spacecraft Assembly, Maintenance and Servicing Study. SAMTEC OBSOLETE. Space and Missile Systems Test Center, Vandenberg AFB, CA. : r6 n6 w3 H, ~: c- k* _. hSAMTO OBSOLETE. Space and Missile Test Organization, Vandenberg AFB, CA. ! [" s" r, _7 ?8 {8 l' y1 xSAO Security Assistance Organization. 3 ^) P" G# U( d* ?- n4 u4 |5 T. WSAP Special Access Program. * w1 |8 E7 W% V0 H; X) @, T: W& dSAR (1) Synthetic Aperture Radar. $ x* U( A1 Y) s2 W6 Z. ^(2) Selected Acquisition Report. * w% u0 O: C9 }* Z ^(3) Special Access Required. (4) Search and Rescue. SARDA [Assistant] Secretary of the Army for Research, Development and Acquisition. SAS (1) Shoot-Assess-Shoot. (2) System Architecture Study (SDI). SASC Senate Arms Service Committee. (US). + J3 B8 Z+ w6 i! q& Z5 BSASET Software Architecture Sizing and Estimating Tool. SASS Space Assets Support System. SAT Surveillance, Acquisition and Tracking. SATAN Security Administrator’s Tool for Analyzing Networks. SATCOM Satellite Communications. Satellite and / N6 i+ @8 K( }- bMissile Surveillance 3 ~1 N+ I' | u" M3 S% JThe systematic observation of aerospace for the purpose of detecting, tracking, and characterizing objects, events, and phenomena associated with satellites ! e5 t* C% I7 o: p. e1 t0 Cand in-flight missiles, both friendly and enemy. 6 O) o7 W* b# A& a; | R; g! ySatellite Reconnaissance % `8 j0 N9 g" J6 k- z3 DIntelligence gathered through collection systems involved in assessing the capabilities, methods of operation, signal intercept, photo reconnaissance, and 1 V9 A# q# }; y$ R2 mother intelligence indications and warnings that will provide information for SDS assets. 1 m" ]9 ^$ ?( N8 O! p% ^SATKA Surveillance, Acquisition, Tracking, and Kill Assessment. * I5 @3 ~9 W$ V8 M# v/ ?+ N: {SATP Space Applications Technology Program. SATRAK Satellite Tracking. 4 G& z6 d4 _& u2 g# [) FSATURN Name of NASA rocket booster. SATVUL Satellite Vulnerability. SAW (1) Surface Acoustic Wave. (2) Satellite Attack Warning. SAW/V Satellite Attack Warning and Verification. 6 m. \ I7 N3 D3 \5 L% h: o( lSAWAFE Satellite Attack Warning and Assessment Flight Experiment. SBA (1) Space-Based Assets. (2) Small Business Administration. MDA GLOSSARY, VER. 4.0 S 256 SBAMS Space-Based Anti-Missile System. SBAS (1) Space-Based Architecture Study. (2) Space-Based Acquisition System. 1 V3 K' E$ d6 ESBCL Space-Based Chemical Laser. SBD Site BMC3 Demonstration. 5 ^0 r6 R) C! |SBE (1) Space Based Element. (2) Synthetic Battlefield Environment. 1 ^- j: D8 `4 fSBES Space-Based Experimental System. SBEV Space-Based Experimental Version. ( _4 W" H+ P( C9 Z! T$ F! U9 n& ASBFEL Space-Based Free Electron Laser. SBHE Space-Based Hypervelocity Gun Experiment. SBHRG Space-Based Hypervelocity Rail Gun. 5 W% B c. Z! P2 } _) x& GSBI (1) Space-Based Interceptor. (Replaced by Brilliant Pebbles (BP).) (2) Special Background Investigation. SBI-CV OBSOLETE. Space-Based Interceptor - Carrier Vehicle. SBIR (1) Space-Based Infrared. (2) Small Business Innovative Research. SBIRS Space Based Infrared System. SBIRS GEO SBIRS Geosynchronous Earth Orbit satellites. SBIRS HEO SBIRS Infrared sensors hosted on satellites in Highly Elliptical Orbits. # p' k- [5 R2 D. u" k; }# \' u9 CSBIRS High SBIRS high altitude component consisting of four SBIRS GEO satellites and infrared sensors on two HEO satellites. SBIRS LEO SBIRS Low Earth Orbit Satellites. SBIRS Low SBIRS low altitude component consisting of SBIRS LEO satellites. The SBIRS 7 W% m9 V8 b1 v% X1 U. Z, gLow component will be designed to provide precision midcourse tracking and discrimination data to support early interceptor commit, in-flight target updates, and target object maps for a National Missile Defense architecture. The SBIRS Low component will also support the other mission areas of the SBIR system. 9 }2 u+ ?9 U/ k# Y. x(Evolution of the Space and Missile Tracking System). % Q/ A. j) m: bSBIS (1) Space-Based Imaging Satellite. (2) Space-Based Interceptor System. SBKEW Space-Based Kinetic Energy Weapon. SBKKV OBSOLETE. Space-Based Kinetic Kill Vehicle. ( v2 K5 R- ]- ~8 A+ X" J0 s3 s1 q7 JSBKV Space-Based Kill Vehicle. SBL Space-Based Laser. 9 y; N0 ~* Q" `" m9 M) w* _SBLRD Space-Based Laser Readiness Demonstrator. MDA GLOSSARY, VER. 4.0 S " _$ \3 W% [* ^257 8 L' f6 \+ g, R6 N! YSBM (1) Space-Based Battle Manager. (2) Strategic Ballistic Missile. SBNPB Space-Based Neutral Particle Beam. 4 K$ Q1 n+ G \( h) r. H) k; `SBNPBW Space-Based Neutral Particle Beam Weapon. SBPB Space-Based Particle Beam. SBR Space-Based Radar. SBRF Space-Based Radio Frequency.

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RSA Russian Space Agency. RSI Rationalization, Standardization, and Interoperability. # G/ B5 C! R7 R$ n J) @! i( K& a$ hRSIP Radar System Improvement Program. & l; s9 O4 r9 L1 y$ _RSO Resident Space Object. RSOI Reception, Staging, Operation and force Integration (Joint Forces term). RSRE Royal Signal and Radar Establishment (UK). RST Radar System Test (THAAD-GBR) RSTA Reconnaissance, Surveillance, and Target Acquisition. RSTER Radar Surveillance Technology Experimental Radar (UHF). RSU Remote Switching Unit. RSV Re-supply vehicle. RT (1) Relocation Time (ILS term). (2) Repair Task Distribution (ILS term). RTC Report to Congress. RTCA Real Time Casualty Assessment (US Army term). RTD Radar Technology Demonstration. MDA GLOSSARY, VER. 4.0 R , B3 ~$ l! N* Y7 |# u252 RTF Release To Fleet (USN term). 5 r5 A4 u2 X$ E+ t) uRTG Radioisotope Thermoelectric Generator. RTIM Radar Technology Identification Methodology. - M! F. s1 {. Q6 @1 q1 L: oRTO Responsible Test Organization. ( ? d2 I0 H* M6 S% y CRTOV Real Time Operational Verification. RTOVF Real Time Operational Verification Facility (US Army term). RTS (1) Request To Send (Telecomm/Computer term). (2) Remote Tracking Station. RTWP Real Time Wave form Processor (Advanced Technology Demonstration Radar 6 d7 _# C n3 Dterm). Rules of Engagement : H8 l$ d9 v- k0 B! M(ROE) Directives issued by competent military authority which delineate the circumstances and limitations under which United States forces will initiate and/or continue combat engagement with other forces encountered. ) l) ^& \& O6 T8 o: q, S! E- JRUPS Resource User ID and Password System. 1 B. j, s ^1 z) Y# E; GRUSI Royal United Services Institute (UK). RV See Reentry Vehicle. 0 k; S8 x: l9 p; ~' | U# f: {RV Complex A reentry vehicle and its associated objects. RV Temperature The temperature of the heat given off by the RV that allows sensors to acquire them. RVAO Reentry Vehicle Associated Objects. 7 { c- J* [' V/ ?! y2 }, eRvw Review. ; k/ D5 m: }! ?- MRW (1) Radiological Weapon. (2) Rotary Wing. RWPD Real Time Waveform Processing Demonstration. RWR Radar Warning Receiver. ' t# @3 e. b" w: ^, uRWS Remote Workstation. , l& e3 n5 a0 L: aRX (1) Receive. (2) Receiver. F3 T2 h: Z1 i4 E3 v2 ^; \MDA GLOSSARY, VER. 4.0 S 253 ; K, Y' o7 y) M- p1 BS Start. S&A Safe and Arm. & K/ W q, W5 Z4 g: O; kS&T Science and Technology. S&TI Scientific and Technical Intelligence. , O0 Z$ B5 X' W/ a. H; |S&TNF Strategic and Theater Nuclear Forces. 4 W8 |% t* J I( r3 OS/N (1) Signal-to-Noise Ratio (Also called SNR). (2) Serial Number. . J& i% K3 [. eS/NF Secret/No Foreign Security Marking. 8 K/ r9 I r/ u. e$ {4 E n" ]& \S/O Survivability/Operability. 6 H5 F: H5 o' y: KS/SU/AC Systems/System Upgrade/Advanced Concept. S/T Search/Track. S/V Survivability and Vulnerability. : V3 P L: J* D* |S/W Software. S2 Synchronized and Synergized. S3 E Space-Based KEW System Simulator/Emulator. SA (1) Situation Awareness 9 I3 Z3 x" Z% g X, l! o5 N0 g3 G(2) Secretary of the Army. SA&I System Architecture and Integration. SA-N Surface-to-Air, Naval. : s- G& C; D, B3 ISA/BM OBSOLETE. Systems Analysis/Battle Management. 0 f. ]$ S# N% \SA/PDL Strategic Defense Ada Process Description Language. 5 q- \1 A: H& H2 _5 k/ W" y- WSAAWC Sector Anti-Air Warfare Coordinator (USMC). - p: f) {6 D0 q* J# JSAAWF Sector Anti-Air Warfare Facility (USF term). g! g) _3 N" B" ?SABRS Space and Atmospheric Burst Reporting System. SAC (1) OBSOLETE. Strategic Air Command (see USSTRATCOM). - T0 _ C; f; Q+ s(2) Senate Appropriations Committee (US). , K) f/ U) V. |- m" d/ a sSACCS SAC Control System. 3 o( R/ Y1 f- J) Z' t- ^3 X* X. c5 KSACEUR Supreme Allied Command, Europe. SACLANT Supreme Allied Command, Atlantic. 6 G5 o1 R1 L, w9 C; ?( cSACMA Suppliers of Advanced Composite Materials Association. . z4 I- c# h" I* [4 e8 ISADA Standard Advanced Dewar Assembly. MDA GLOSSARY, VER. 4.0 S 254 3 Q+ z5 v- E. H2 k' jSADBU Small and Disadvantaged Business Utilization (of OSD). 2 i& ?/ ?' l- p+ hSADM System Acquisition Decision Memorandum (Army). t5 T" k; p; R1 n8 y7 X1 tSADO Senior Operations Duty Officer (JFACC term). 2 }4 c4 z: K0 v- B2 iSAE Service Acquisition Executive. SAFEGUARD A U.S. midcourse and terminal phase defense for ICBMs, deployed in 1975 and deactivated in 1976 due to its limited cost effectiveness. SAFSCOM OBSOLETE. SAFEGUARD System Command. SAG Senior Advisory Group. ) S6 L' ?- e3 I9 z! _# z& e) L6 USAGE Semi-Automatic Ground Environment {Air Defense System}. SAH Semi-active homing. SAIC Scientific Applications International Corporation. Saint A satellite inspector system designed to demonstrate the feasibility of % F. N; g2 K: F# eintercepting, inspecting, and reporting on the characteristics of satellites in orbit. SAINT (1) Satellite Interceptor. (2) Shared Adaptive Internet Technology. / v% H9 h$ z' ~+ c D' c( aSAIP Semi-Automated Imagery Processing. % [' L4 _" ~- `SAKT System Architecture and Key Tradeoffs (SDIO term). 3 } n% l8 L" CSAL Strategic Arms Limitation. 7 @( ?' m6 G' s) r+ WSALT Strategic Arms Limitation Talks. Salvage Fusing The means by which a warhead detonates when an interceptor structurally 9 H( \4 I3 X+ U5 ?0 Q" nattacks it. Generally used as a device for disruption of the defense. SAM Surface-to-Air Missile. SAM-D Surface to-Air Missile, Model D (now PATRIOT). + M. ^/ R7 g6 @( M0 ~* SSAMD Security Assistance Management Division. $ k* E" O4 M% v( B2 v/ BSAMM Software Acquisition Maturity Matrix. SAMMES Space Active Modular Materials Experiment.

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RF (1) Radio Frequency. (2) Response Force. 2 @+ H( ?, h. ~+ P* MRFFEL Radio Frequency Linac. RFI (1) Request for Issue. (2) Request for Information. (3) Radio Frequency Interference. + Y8 o' |' y; N; v4 `5 [5 ~RFL Radio Frequency Linac. RFLINAC Radio Frequency Linear Accelerator. RFOG Resonant Fiber Optic Gyro. RFP Request for Proposal. + A$ l3 D& L2 g/ L0 P; T8 `: [- qRFQ Radio Frequency Quadrupole (Accelerator). 7 }; \" {: U. ~) {! V6 R) IRG (1) Rail Gun. (2) Review Group. RGB Red, Green, Blue (Video Engineering term). ; T- k6 p, ]9 S( K; ORH Radiation Hardened. RH Electronics Radiation Hardened Electronics. 6 V4 ]0 |0 w& r: K( Z: rRHD Radiation Hardened Electronics. MDA GLOSSARY, VER. 4.0 R 249 RHETT II (1) Russian Half Effect Thruster Technology Program. (2) Russian Hall Electric Thruster Test. Ri Inherent Reliability. RIA Range Insensitive Axes. 1 {' i& \0 O5 h; a) \RIBIT Reverse Illuminated Blocked Impurity Transducer. 0 R+ ?+ F+ X0 r. X2 P+ O! W4 eRICBM Retro Intercontinental Ballistic Missile. + u' F$ L+ X9 ~2 G$ h, vRIIA Royal Institute of International Affairs (UK). RIL Repair Items List (ILS term). : q |; r! O3 q$ V3 M, e' W4 H: h/ ARINT Unintentional Radiation Intelligence. ) Z0 a& W% r2 J' BRIS Radar Instruction Set Computer. RISC Reduced Instruction Set Computers. RISCAE RISC Ada Environment. Risk Approval Authority (RAA) An individual designated by the Director, MDA who makes risk acceptance decisions. The RAA evaluates trade-offs between threats and such factors as cost, security, survivability, and safety to achieve a functionally operational, affordable, and secure system. Risk Assessment The process of subjectively determining the probability that a specific interplay of 4 \& W" q# u$ `% Cperformance, schedule, and cost as an objective, will or will not be attained along the planned course of action. (Defense Systems Management College) 7 [+ g1 [ b7 F/ U* A5 _. ^RISTA Reconnaissance, Intelligence, Surveillance, and Target Acquisition. - t4 H% D0 M7 G% q: {RIU Range Interface Unit. Rivet Joint RC-135 reconnaissance aircraft. ! `3 Y8 |: g( v- _ F( e2 F4 }RIVET JOINT Name of USAF Reconnaissance project. F0 ~6 _5 F& L5 O( R" q2 URIW Reliability Incentive Warranty. RL Rome Laboratory, Griffiss Business and Technology Park, NY. (Formerly called Rome Air Development Center.) + W' s! j9 F2 z+ {1 {5 v2 W$ I3 VRLA Repair of Level Analysis (ILS term). $ t! N8 L! A! z4 j: G" M6 D& HRLG Ring Laser Gyro. RLRIU Routing Logic Radio Interface Unit (PATRIOT). RLRIU-U Routing Logic Radio Interface Unit – Upgrade (USA term). Rm Mission Reliability (ILS term). RM Radioman (USN term). MDA GLOSSARY, VER. 4.0 R 250 RMA (1) Reliability, Maintainability and Availability (see RAM) (ILS term). (2) Revolution in Military Affairs (OSD term). RMCET Resource Management Concurrent Engineering Team. 1 r, n5 e) k1 a: w% V- S6 LRME (1) Relay Mirror Experiment (a satellite launched February 1990 and which ( z) _! g1 C# G9 greentered the atmosphere in May 1993). (2) Remote Multiplexer Encoder. o# V9 B, Q) [; K% b/ k9 PRMI Republic of the Marshall Islands. RMO Reflectivity. RMP Risk Management Plan. RMS (1) Remote Manipulator System. (2) Root Mean Square. RNAS REL NAV Analytic Simulator (JTIDS term). ( j8 L* g t! a4 X: }" C* sRNLAF Royal Netherlands Air Force. $ |) T9 v- J5 y5 _, H, T! W: V( rRNLN Royal Netherlands Navy. ROB Remote Operating Base. ! d j: [( k/ O! d* l) B# iROBS Rapid Optical Beam Steering (system). + l/ d5 h3 z4 S, S. }2 oRobust Used in describing a system; indicates its ability to endure and perform its mission against a responsive threat. Also used to indicate system ability to survive under direct attack. Robustness (1) The ability to produce correct results despite input errors. . A9 h0 }5 B4 o% `( B5 C8 Y(2) The existence of coordinated, multiple capabilities that perform the same broad task/mission. Provides the BMD warfighter with sufficient flexibility 8 E+ n3 p( Y, ?! Jto negate the specified threat with application of a variable mix of ground and space-based systems. (USSPACECOM) 0 z1 y5 S) ]; i B; PROC (1) Regional Operations Center. (2) Required Operational Capability. 0 ]% T" d8 q6 b6 Z) I5 WROCC Regional Operations Control Center. . F/ T$ r4 W g9 VROD Record of Decision. 9 _" v3 v# Y, R/ SROE Rules of Engagement. ROF Rate of Fire 3 g+ r% i8 K x/ b* u7 ?ROI Return on Investment. ROK Republic of Korea. # N4 r' r- o+ }( ^ROM Rough Order of Magnitude & V" S- H- Z5 DROOM Real-time Object-Oriented Methodology. 4 a, m4 y5 s. y+ D7 x zRORSAT Radar Ocean Reconnaissance Satellite. ! _8 t7 r7 b3 ]+ P) C- x7 { E+ pROV Remotely Operated Vehicle. MDA GLOSSARY, VER. 4.0 R 251 ! G: j/ e( J: M5 zROW Rest-of-World. 5 Z4 N; z H. A$ \3 j/ iRP (1) Repetitive Pulse. (2) Readiness Posture. , ~6 `# n; V7 z7 y$ cRP&C Resource Planning and Coordination. RPAC Resource Performance Analysis Center. 6 q. Z, S% |2 Z6 iRPIE Real Property Installed Equipment. rpm Revolutions per minute. RPV Remotely Piloted Vehicle. Rqmt Requirement. ) H) t; z3 e: hRQMTS Requirements. RQn Review Question (AFMC term). ; t8 O2 r X5 R* ZRRDI Range Resolved Doppler Imagining * x- f/ [( b& ~* X4 x) \RRFD Risk Reduction Flight Demonstration. RRG Requirements Review Group. + r; @ r$ m+ C7 P' X5 w. i' x! YRS Radar Set (PATRIOT).