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Deployment$ e7 s3 l, \" y$ O1 ~
Testing
* M) _* U( s& o. q8 E3 iThe testing and/or simulation of system assets in the physical and operational7 B6 \8 I/ W" V, Y
environment in which they are expected to perform.
3 ~0 [! |+ V! _! v5 CDepOpsDep Service Deputy Operations Deputies.
2 h8 c& U( s+ VMDA GLOSSARY, VER. 4.0 D# ]3 w: _. g$ h) V2 I5 J
78- T0 Q9 ]: E- d( ^% R8 Z7 {
Depressed' d8 _2 w4 J: O' \' }. k9 n! Y
Trajectory. u6 y) U; n% Y3 ^: H" j( R
Trajectory with an apogee below that of the minimum-energy trajectory.& e) m+ A/ _+ g+ _# X H# v2 F
DEPSCoR Defense Experimental Program to Stimulate Competitive Research.
) b* B% N' b* B% NDEPSECDEF Deputy Secretary of Defense.
- i$ c* Z5 z; I( G4 iDeSecState Deputy Secretary of State.
# a& A8 ?/ Q5 FDERA Defense Evaluation and Research Agency. Consolidated research and( ?1 Z# H: N. V, x" I
development resources of the U.K. Ministry Defence. Headquartered in
4 r3 i& f7 N0 b- {7 SFarnborough, England.
: L" D8 v6 B: h1 R% FDerivative
7 V* z- D/ U& W. kClassification ~, \4 m5 d& k5 ?- c6 X" V* O
A determination that information is in substance the same as information7 S8 @1 I( ~2 A) s5 N
currently classified and the application of the same classification marking.1 i! @" I: K& s- Z- V
DES Data Encryption Standard.$ L0 T9 X& u) v7 F
DESC Defense Electronics Supply Center (DLA term).; T+ W3 p- T# m9 }
Design; @% x+ N. T" x, e
Constraints; Z& e- Y; d& `1 J
Boundary conditions within which the developer must remain while allocating2 t$ u0 G. I7 x; Y3 M; p8 I+ z
performance requirements and/or synthesizing system elements.
2 R( F& W' J" J# j* vDesign
& ~" C& y2 {+ P- j& \( uParameters) [- z% S: ^9 E
Qualitative, quantitative, physical, and functional value characteristics that are+ W; U- D' |6 J3 o4 Q. Y
inputs to the design process, for use in design tradeoffs, risk analyses, and
3 @" s$ r' {& F# Edevelopment of a system that is responsive to system requirements./ p9 W2 {) ?7 t6 H) e! O
Design Phase A period of time in the software life cycle during which the designs for' r( U: f. Q. D& V7 O5 L! j8 Q
architecture, software components, interfaces, and data are created,
: p6 E: O1 Z- G1 b7 rdocumented, and verified to satisfy requirements.
$ V$ B; B: E; ~& q9 IDesign-to-Cost
* b( @. V6 x, }4 c(DTC) Goal: ~# B+ T S$ v
Management concept wherein rigorous cost goals are established during5 J6 O! ?, ^( b. X
development, and the control of systems costs (acquisition, operating, and
. v6 f( F1 v6 B- q8 }support) to these goals is achieved by practical tradeoffs between operational& n: w$ v$ [& V2 s7 e. N. K8 B
capability, performance, costs, and schedule. Cost, as a key design parameter,
0 w7 {' ^( A( p* E/ ~# ais addressed on a continuing basis and as an inherent part of the development* u( y v( |. v9 [0 ~6 o% f1 e
and production process. A DTC goal should be in the form of average unit
6 A. M3 {/ B9 Xflyaway cost. Also, DTC parameters for operation and support will be% Y8 [! p- n; ~. |3 J6 Y
selected—parameters that are design-controllable, significantly affect O&S costs," T5 ~% I4 z- N* y
and can be measured during test and evaluation. Parameters may be! X+ U# r- j* Y9 G/ ?& f
expressed in dollars or by other measurable factors, e.g., manpower, reliability, or
. s8 K, \1 x9 [* l' f Emaintainability. Firm goals and thresholds will be established no later than entry
; T0 q6 D; Y: z Binto EMD (Milestone II). This is an in-house goal, almost contractual in nature,4 V! @( E9 @; r7 e+ T4 B8 J
between the PM (Service) and the SECDEF. Allocations from this goal will
5 Z! t6 h2 C; p3 M0 U; ebecome the contractual DTC goals for contractors supporting the program.2 f* ]& W7 P: j8 C
Det Detachment.' v4 a, w# [& _6 Y. ~1 R6 `3 l6 d: _ ^
DETEC Defense Technology Evaluation Code.
* G+ ~. q0 Q0 V: Y( b7 X% k$ wDetector A passive IR, visible, UV detector turns photons into an electrical signal. The9 N, D( Z# j/ |- V7 @* H, n
IFOV of the detector is its solid angular sub-tense. There is sometimes* C H5 Q: a& ~! R* y
confusion between the detector sub-tense (size) and the pixel (picture element
# d: `+ o% G# e% psize). They are the same for a staring sensor, but in a scanner it depends on
' C1 K( g) B, v; Q$ Y4 vthe array offset and number of samples per dwell. A pixel area is often only onesixth or one-eighth of a detector angular area.
1 {) t+ b+ E5 d A' H* m7 v+ FMDA GLOSSARY, VER. 4.0 D( j+ T% S; O% _
79' ?9 a+ ~7 [9 L7 b0 T' g. I+ c
DEV ENV Development Environment.
( v9 y5 Y9 O5 |* J% A+ ~+ `Development, ~8 q- \, Q& U. N" V
Test (DT)
, M" n. y. u; `, w. t- WTest conducted by the development test organization to achieve specified test
6 n/ {1 D y0 M1 A0 ?! Pobjectives. It may be a complete test, a subtest, or a phase of a test.% z- n% ?. J3 z3 r5 ~8 v
Development
2 I% I) _" `) FTest I (DT I)
# D' g* l6 k' Q! ]6 g( _$ cA series of tests conducted during the demonstration and validation phase.* R y5 V! n, @
Components, subsystems, or the total (or full) system are examined to determine
4 \( ^+ k) A1 Rwhether the system is ready for EMD. State-of-the-art technology is addressed0 M7 k# G$ H w
in DT I.; u1 K& w8 d( y4 i, \
Development
/ D3 Z4 x$ ]; R" ^" l* {/ t( y3 sTest II (DT II)
" ]8 n$ _! c: IA series of tests, normally during EMD, which provide the technical data, n+ Y+ ]& l/ C& c( z. }: `
necessary to assess whether the system is ready for low-rate initial or full' f! \; q2 \' v* w. l
production. It measures the technical performance and safety characteristics of1 f' m1 x- Q6 L2 s
the item and evaluates its associated tools, test equipment, training package,, M$ C0 ]" D, ?) G- w( _
and maintenance test package as described in the development plan. DT II
4 c. P* l' T5 L( d* K. {addresses accomplishment of engineering design goals and the fulfillment of1 G& i4 m1 {2 u4 _& p
contract specifications.8 A! @+ C6 W' C [ Y
Development; a" m3 K9 V5 n4 k
Test III (DT III)
+ m6 k, Q5 j& q6 b3 [" l! VTests conducted during production.
7 A' T$ N- \4 S+ ~" S1 y/ ~$ i" qDevelopment- c8 k8 z- \; h, o7 c6 y3 G7 ?
Test and
5 U* O6 U6 M+ z G( o/ ^ W* tEvaluation
j: o8 }' u! v# l+ {3 o(DT&E)2 W, I& _" L2 g" v
Test and evaluation conducted to measure progress, usually of: m3 N4 e5 F" v4 Z3 o2 [
component/subsystems, and the proofing of manufacturing processes and
% x: m3 `% P/ jcontrols and to assist the engineering design and development process and. X7 A3 W) e8 m3 K) j5 M4 g6 v0 f- y
verify attainment of technical performance specifications and objectives. Usually# X$ Z4 @& _: B3 h& x
conducted under controlled or laboratory conditions. Can be conducted before
6 b4 j1 M! J) [4 c: d8 h: Tor after production begins.+ `2 Z" V1 P" n5 B3 v7 Q6 r
Development
+ l# p+ X. J; {* c& h/ [7 VTest (DT)
- C, C# S$ A7 b2 @9 x9 ETest conducted by the development test organization to achieve specified test/ E' r% v. ]% K- a; }* n+ I
objectives. It may be a complete test, a subtest, or a phase of a test.
" z+ m" D- w7 z- b/ b% QDeviation Criteria Limits established beyond which a Program Manager may not trade-off cost,0 E; s. a. s, u3 [
schedule, or performance without authorization from the milestone decision
3 M; T9 |% A9 y, ]" xauthority. Acquisition Program Baseline (APB) thresholds represent these' Q6 y9 c$ w3 O. A: ?; B
parameters.
) K. k6 O9 H, i% q9 iDevolution of! K" r8 ]8 N0 H3 y! i& N
Command
' _- i3 ~ s2 Z( E& O0 R6 |Minimal essential operational capability to perform C2 provided in an orderly and
9 ?$ B, V8 ?3 s( stimely fashion to a duly authorized successor.( d& {# V y/ |; X7 A
DEW (1) Directed Energy Weapon. (2) Directed Energy Warfare.+ i$ D K: x: v- [9 S) _% a) K1 f
DEW/D Directed Energy Weapon/Discrimination.
! ?6 {. k. g9 ?: }$ J5 nDEWG, O Directed Energy Weapon Ground, Orbital) y" j& l% Q4 E
DEWL Directed Energy Weapon, Laser (thermal or impulse).
& @5 {' O- [9 K5 hDEWP Directed Energy Weapon, Particle Beam (neutral or charged).
9 A {3 ?, _1 ~" j6 iDF-KBS Data Fusion Knowledge Based System.
+ ?! {3 v* B* p- ]DF2 Deuterium Fluoride.8 A) f; q7 Z6 z
DFAR Defense Federal Acquisition Regulation
0 u7 |" \) s' d- f2 TDFARS Defense Federal Acquisition Regulation Supplement.' u3 h4 {2 Q' M- _( z2 V
MDA GLOSSARY, VER. 4.0 D& _. T- j( r( }: ~; v C7 v. u6 D B0 s
80
* v! W+ s4 \1 V! j8 N# Q8 x# d5 @+ gDFAS Defense Financing and Accounting Service.9 V$ |& O: ^' Y% |: D
DG OBSOLETE. Defense Guidance. See Defense Planning Guidance.! j$ K0 V4 r. S
DGA Director General of Armaments (France).
+ V' i$ |8 m+ R# w0 q/ [& I. y; lDGP Defense Group on Proliferation.% c4 X. N5 P( K! L
DI (1) Data Item. (2) Developmental Item.8 q& ]2 Z# k; N4 `+ p* R
DIA Defense Intelligence Agency.1 b- `3 Q6 R0 Y: |% s8 N
DIAC Defense Intelligence Analysis Center.
# b, }2 C2 H2 ~3 hDIAM Defense Intelligence Agency Manual, S5 h4 |5 @, Y! D
Diameter (Optics) The unit of measure of the light gathering power of a lens.
% [. M0 E! Q1 X! E3 m+ {5 u& mDICE Digital Integrated Combat Evaluator.
6 N4 f/ ] |+ sDID Data Item Description.
5 s D# U% m; D" fDiffraction The spreading out of electromagnetic radiation as it leaves an aperture. The, y; E8 Q) |1 m0 j9 _7 d
angle of spread, which cannot be eliminated by focusing, is proportional to the
" ?3 t& K/ c! \ratio of the wavelength of radiation to the diameter of the aperture.& w( o) N6 d0 Z" P5 J0 k/ K
Digital
! ]5 [: ] q4 x; z! |' B1 {Processing
7 D5 x8 ~5 f& g. b# k* {The most familiar type of computing, in which problems are solved through the
7 z) s2 i+ v2 S+ a+ n+ C7 B' a& zmathematical manipulation of streams of bits., h* j- N7 P8 j$ H5 [+ _
DII Defense Information Infrastructure
* j6 s+ P' k0 Y/ d5 A; [9 SDip A period of significantly decreased RCS signatures of an RV at low altitude (6 to" h, w3 p: J( W) R5 _6 @
12 km) between wake termination and de-sheathing.
* G+ G# X6 ~% { p7 [DIPS Dynamic Isotope Power System (which provides up to 10 kW of power).
( d% Q3 N7 L* s! i9 u/ l1 L- ]DIR Director.) }1 a* g, Y3 r2 G9 f- `& E9 ~. h
Direct Air
, ^) Y- H$ j: A1 |# sSupport Center( z( g) o$ T: _) Z
A subordinate operational component of a tactical air control system designed
) H. |6 E6 \6 O9 |" Y# I3 cfor control and direction of close air support and other tactical air support
: a" t1 D( u8 {4 }8 boperations, and normally collocated with fire support coordination elements.
. l A$ X' i- @7 mDirect Cost Any cost that is specifically identified with a particular final cost objective. Is not
* @0 E; h' |' \necessarily limited to items that are incorporated into the end product as labor or4 t3 W. `" y9 y
material.
) v" R, n& c6 lDirect Labor Labor specifically identified with a particular final cost objective. Manufacturing; X* ?( q+ m. u
direct labor includes fabrication, assembly, inspection and test for constructing1 o5 `: u( S% f0 B+ N! D
the end product. Engineering direct labor consists of engineering labor such as- O% m$ l* K$ q% m# o$ x
reliability, quality assurance, test, design, etc., that is readily identified with the
- T. [, ^* Y6 vend product.. B( y- A8 O( F6 P8 }
Directed Energy
3 I& m! v0 z# \1 I(DE)
0 ~3 R6 e, k* v. f1. Energy in the form of atomic particles, pellets, or focused electromagnetic. P) R6 k. e! j$ w8 O2 u2 X! O
beams that can be sent long distances at, or nearly at, the speed of: c- F% s/ ^/ I* k: d4 j$ j
light.+ N+ L- u( m. U. `
2. An umbrella term covering technologies that relate to the production of a
/ D5 W+ [0 d* \9 a a6 ?( Z O3 j- Ybeam of concentrated electromagnetic energy or atomic or subatomic particles.
- w$ f" ?& G( G+ h$ C5 SMDA GLOSSARY, VER. 4.0 D/ ^) N& e* M. z" a$ f* D
81
! N) r, e% m+ s7 z K9 K/ \Directed Energy
' }, V. i; L2 `8 n' W! z9 g3 d7 O1 ^Device% z* Q$ w5 N' R3 S
A system using directed energy primarily for a purpose other than as a weapon.
( ~2 o+ C/ W4 M9 M- UDirected energy devices may produce effects that could allow the device to be
7 W% q* j/ N6 g; C. |used as a weapon against certain threats, for example, laser rangefinders.
! Y; [6 T1 O* g" @8 xDirected Energy: ^9 c& s; B4 ~1 q' s
Weapon (DEW)+ b4 T# U: |% w" @, J8 e
A system using directed energy primarily as a direct means to damage or destroy
7 Y- B, P; K0 I( g1 Yenemy equipment, facilities, and personnel.
) f3 x0 r7 t$ H4 ] MDIRLAUTH Direct Liaison Authorized.. H" }' ]: _7 @. F0 Q+ t
DIRNSA Director, National Security Agency.4 b, s7 ^6 U- Z9 ~9 ?4 I
DIS (1) Distributed Interactive Simulation. (2) Defense Investigative Service." g4 I4 Q% @5 m% P
DISA Defense Information Systems Agency, Washington, DC. (Formerly known as* m9 o+ |2 e- ]
Defense Communications Agency).- X$ X, f1 m- O
DISCO Defense Industrial Security Clearance Office' \0 O) y: k6 V* I: R
DISCOM Division Support Command (US Army term).
: t0 h" G) a6 A4 ^( [- |" QDiscretionary
+ D. `& S/ c9 ]1 ~6 V7 KJudgment' C, U8 p5 { P6 u- [& @% X( t: s
The authority given USCINCSPACE or his duly authorized representative to1 \- i7 }/ B, {7 n) X) V7 e
perform actions not covered by the ROE. |
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