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Deployment
' A7 M2 w3 k6 a6 m' W/ tTesting
* v6 E+ N- t S$ _% MThe testing and/or simulation of system assets in the physical and operational4 Z5 m5 ]2 x# n0 n/ n, u& ?0 l1 f* [
environment in which they are expected to perform.& Y. i' O$ c0 Z8 v# C
DepOpsDep Service Deputy Operations Deputies.% u7 r: H6 i. U
MDA GLOSSARY, VER. 4.0 D
; B3 H" P z' B) d2 @- f# g4 h+ S e" Y78
: W( w+ i* m) S9 e1 H2 DDepressed
* M5 S. w8 Y( [# ~Trajectory# b/ D) V2 b/ T& Q1 G
Trajectory with an apogee below that of the minimum-energy trajectory.
: h/ ]5 X$ ?: y7 z$ RDEPSCoR Defense Experimental Program to Stimulate Competitive Research.
3 H8 b8 f+ F E2 g: f+ F; d9 J; ZDEPSECDEF Deputy Secretary of Defense.
' C+ ]6 ?1 k. ZDeSecState Deputy Secretary of State.0 _4 m E9 j! q2 x( X
DERA Defense Evaluation and Research Agency. Consolidated research and
+ y6 [" m' Z# h( [. sdevelopment resources of the U.K. Ministry Defence. Headquartered in) ^( i4 O8 _9 Y A3 y
Farnborough, England.6 Y- h* A/ J- n$ \/ M% c
Derivative$ k# y8 d% [& M' H
Classification' D, A0 j$ m( x; Q1 m# s- z+ D5 U
A determination that information is in substance the same as information
: S* \* x7 M& q0 i6 X/ n f1 l0 i* Lcurrently classified and the application of the same classification marking.: V7 Q6 a) b& P" K3 G, J
DES Data Encryption Standard.
1 h4 j( S( d% U f, aDESC Defense Electronics Supply Center (DLA term).4 A% u6 \6 P" B) U# a
Design
% {& U* ?/ m& r3 hConstraints
' C$ ^: ?* [) e$ W3 F- zBoundary conditions within which the developer must remain while allocating8 b' k$ m6 B% j1 l' j4 h
performance requirements and/or synthesizing system elements.' U$ v9 m. O' N
Design
; W, j- x5 Z$ d8 O9 n, N0 G% `5 E; {' vParameters( \, e9 ^! R. x8 N& T0 K9 {
Qualitative, quantitative, physical, and functional value characteristics that are
( E4 c. V; l0 @( ninputs to the design process, for use in design tradeoffs, risk analyses, and
; v; q M+ O) r+ B' fdevelopment of a system that is responsive to system requirements.2 y2 T$ E( S y2 B
Design Phase A period of time in the software life cycle during which the designs for( d6 w/ u; n1 \; ^: X) t
architecture, software components, interfaces, and data are created,2 C6 b4 e% J" Z1 c' o' X* j
documented, and verified to satisfy requirements.
$ q% X& C) @* J6 ?8 ]Design-to-Cost& {( P5 t. k2 I. f( U! [ l% Y
(DTC) Goal
o+ X. ~5 J8 o$ a6 dManagement concept wherein rigorous cost goals are established during
* Y/ O( H; d+ @) e+ z. xdevelopment, and the control of systems costs (acquisition, operating, and
" ^( k% K6 P \support) to these goals is achieved by practical tradeoffs between operational |# N" U9 N- i
capability, performance, costs, and schedule. Cost, as a key design parameter,3 ~* P0 {& y a
is addressed on a continuing basis and as an inherent part of the development
9 T& }9 g6 s% L# Jand production process. A DTC goal should be in the form of average unit" C) ]! Q$ E t3 Y5 C
flyaway cost. Also, DTC parameters for operation and support will be
+ ]5 x/ P1 I# m( Pselected—parameters that are design-controllable, significantly affect O&S costs,/ X5 I. p0 p! F& U# j
and can be measured during test and evaluation. Parameters may be
- }, n0 B8 k1 D: H, z, q, Xexpressed in dollars or by other measurable factors, e.g., manpower, reliability, or5 ^( X2 H0 v; `7 P: u! f0 V8 o, k
maintainability. Firm goals and thresholds will be established no later than entry
9 g& S* A2 F5 b6 v S1 y) } ginto EMD (Milestone II). This is an in-house goal, almost contractual in nature,
; n; z1 R |3 I! }# i8 Ebetween the PM (Service) and the SECDEF. Allocations from this goal will
5 N/ x% Y' Y( d+ Rbecome the contractual DTC goals for contractors supporting the program.- }0 N, m; h5 {+ b- Z) v
Det Detachment.8 |- _' c% P j2 j
DETEC Defense Technology Evaluation Code.
- ?8 @+ i L8 g+ P. {1 h: VDetector A passive IR, visible, UV detector turns photons into an electrical signal. The
0 J0 |- ~. h7 q0 Y0 DIFOV of the detector is its solid angular sub-tense. There is sometimes
! }. Q0 v- M( a. D0 qconfusion between the detector sub-tense (size) and the pixel (picture element) E6 ~: w2 G2 t
size). They are the same for a staring sensor, but in a scanner it depends on6 h6 c7 u# I2 n9 j. K% }- U
the array offset and number of samples per dwell. A pixel area is often only onesixth or one-eighth of a detector angular area." i9 u9 Y' z4 ]2 z; o
MDA GLOSSARY, VER. 4.0 D& g8 Q( _6 B4 q, I
79
6 t# o+ i% H4 l6 c1 P# NDEV ENV Development Environment.- R. O; X4 L3 c3 e! V& K2 R
Development* }+ J" p3 C( J$ o
Test (DT); q3 y% x9 w8 `! H3 q$ S4 ?
Test conducted by the development test organization to achieve specified test/ I9 A9 ]7 s: d2 n# U0 B6 O% n# A4 b
objectives. It may be a complete test, a subtest, or a phase of a test.
/ a) i& A0 N% i( L' vDevelopment
5 l! Y2 F# y9 i# E. m/ eTest I (DT I)1 H( a" K7 L) q' T, [: D3 i
A series of tests conducted during the demonstration and validation phase./ c& X2 t3 ^" |* j. s% A' `9 v
Components, subsystems, or the total (or full) system are examined to determine# J2 S5 z' T% _! t. ^
whether the system is ready for EMD. State-of-the-art technology is addressed
( b7 K7 P/ h, C2 {4 g% ?! @in DT I.
$ K( u9 s; r! |5 vDevelopment
" }! S7 n2 O/ S0 C# h" F# WTest II (DT II)
$ j3 D& f' R1 U& QA series of tests, normally during EMD, which provide the technical data
3 D+ T) G& y2 F1 H: T+ C- ~5 vnecessary to assess whether the system is ready for low-rate initial or full
. y* X& T- z1 u- t* I5 Xproduction. It measures the technical performance and safety characteristics of8 x: R% Z) ?# c% x
the item and evaluates its associated tools, test equipment, training package,+ i4 k$ v( B) {1 B" j
and maintenance test package as described in the development plan. DT II0 p2 S2 d+ t: z+ ~) W# }
addresses accomplishment of engineering design goals and the fulfillment of0 }6 v1 Q g( o
contract specifications. w, b7 S1 _" U* j* Z
Development+ Q+ {) o% M9 }1 q- R8 ]- P
Test III (DT III)
/ W- M H) a( q4 W6 ETests conducted during production.
8 t9 k4 I' L0 K$ {* xDevelopment+ v% D$ N3 O0 ^$ h% M
Test and
) M1 s, P) v3 d9 j2 U! C$ uEvaluation; n6 l! f) K; t9 G& F) [
(DT&E)
- R6 L8 ~! K% Q% b XTest and evaluation conducted to measure progress, usually of. v; q5 h& o! T0 x0 v9 E
component/subsystems, and the proofing of manufacturing processes and4 {7 b' Q$ A5 r* {
controls and to assist the engineering design and development process and
* j2 ^! H4 _/ ^- Bverify attainment of technical performance specifications and objectives. Usually
, Y% t E% U1 Wconducted under controlled or laboratory conditions. Can be conducted before1 o( p- c, E c5 L; U2 f8 \5 t; \# |
or after production begins.8 h; S1 q0 T/ W1 i
Development S O G- A5 R) p& C6 Q
Test (DT)$ Q' U1 M9 `5 D3 P; S2 {: T5 N& f
Test conducted by the development test organization to achieve specified test7 @ E4 D! I7 t+ U: k
objectives. It may be a complete test, a subtest, or a phase of a test.
5 Y( u* x7 q5 L9 p+ nDeviation Criteria Limits established beyond which a Program Manager may not trade-off cost,( f5 Y* H4 S' c4 u: r$ E c5 e" C
schedule, or performance without authorization from the milestone decision" H1 u6 }9 r# V4 Y
authority. Acquisition Program Baseline (APB) thresholds represent these
6 `( P$ T2 d$ m. x0 m; |parameters.5 k; ]# u, O( T, y
Devolution of( x# n& C# m9 B4 v+ H
Command
2 h6 Z% Z% q3 N9 t) |Minimal essential operational capability to perform C2 provided in an orderly and" W: z: O3 _ k
timely fashion to a duly authorized successor./ L8 g( |; {/ x- I5 w: b
DEW (1) Directed Energy Weapon. (2) Directed Energy Warfare.
! T. |# R. T e7 y5 mDEW/D Directed Energy Weapon/Discrimination.2 ?; v$ I# G* x3 V; U# h
DEWG, O Directed Energy Weapon Ground, Orbital
: b2 Q& G9 P* @) |* \) ~' |8 `DEWL Directed Energy Weapon, Laser (thermal or impulse).
3 \+ @. t: G+ U, a8 ?DEWP Directed Energy Weapon, Particle Beam (neutral or charged).
_% n. R8 b$ g3 ~4 L' iDF-KBS Data Fusion Knowledge Based System.& i9 D% ~8 b6 c6 q6 c
DF2 Deuterium Fluoride.# O& X3 y3 V* t% q# I
DFAR Defense Federal Acquisition Regulation
8 L% K& }( U* uDFARS Defense Federal Acquisition Regulation Supplement.2 J% j9 K5 t( S+ b, I
MDA GLOSSARY, VER. 4.0 D
. T: M1 }# B- y$ S% S' {809 w, i9 D1 n E# [' f
DFAS Defense Financing and Accounting Service.$ f$ Q0 u' U, N5 _& U3 h
DG OBSOLETE. Defense Guidance. See Defense Planning Guidance.
/ U; x! j: t4 Y3 i* |& X: ^DGA Director General of Armaments (France).( V: V# d' p* D
DGP Defense Group on Proliferation.* e( \- \) T7 K# I% X+ k# l
DI (1) Data Item. (2) Developmental Item.1 e% ?2 i8 y, D2 g8 @
DIA Defense Intelligence Agency.8 w, v- A* p7 }- {, m7 }1 S2 W
DIAC Defense Intelligence Analysis Center.
% J6 p: c* j+ w9 @1 G' ~- j! Y7 I/ ZDIAM Defense Intelligence Agency Manual
& Q/ w% b5 } ]* v) kDiameter (Optics) The unit of measure of the light gathering power of a lens.
! N, @4 d* d+ W1 IDICE Digital Integrated Combat Evaluator.) I) _; o. g* v. ]. r. Y( U
DID Data Item Description.
7 a2 q. s* h- m. VDiffraction The spreading out of electromagnetic radiation as it leaves an aperture. The
% }, x2 |$ s/ j) Fangle of spread, which cannot be eliminated by focusing, is proportional to the
7 }* e% Y2 z$ ]5 c4 u% ?ratio of the wavelength of radiation to the diameter of the aperture.
* m4 v- {1 T4 m3 j. N! pDigital6 y- V2 @4 U2 E
Processing# g1 B; i. X1 T7 G& U* d R
The most familiar type of computing, in which problems are solved through the$ K0 ?: W# q+ G; Q: i; e; `
mathematical manipulation of streams of bits.; M: I2 z6 u3 Y0 L" o" C
DII Defense Information Infrastructure
: {5 D! K0 t7 PDip A period of significantly decreased RCS signatures of an RV at low altitude (6 to
( z5 |1 y8 J3 ^" N1 J12 km) between wake termination and de-sheathing.& [9 N8 ]. y9 n
DIPS Dynamic Isotope Power System (which provides up to 10 kW of power).' k. R* w1 d Z. \
DIR Director.
9 o: F: c; B8 V1 G2 ~' a! l* ?Direct Air
7 N# n5 U6 A+ S" i! ^Support Center% ~" w' `# }/ k7 u
A subordinate operational component of a tactical air control system designed$ J1 f* \0 K+ H" W$ r/ b$ u! [% m
for control and direction of close air support and other tactical air support
6 h+ f" P! N0 S5 C- p; A& c, moperations, and normally collocated with fire support coordination elements. ]6 V) a1 \" _! y5 p; U
Direct Cost Any cost that is specifically identified with a particular final cost objective. Is not, |( E9 Q+ J5 e* j
necessarily limited to items that are incorporated into the end product as labor or3 W: W/ f9 z" H' B# C* r" z( B
material.6 o! e- A& ]6 p" C8 D2 F8 t
Direct Labor Labor specifically identified with a particular final cost objective. Manufacturing4 g! z2 d' {/ v" c6 p- p, J
direct labor includes fabrication, assembly, inspection and test for constructing
2 `' l' S3 Q" f3 o( vthe end product. Engineering direct labor consists of engineering labor such as, [6 ]$ P v4 N+ T
reliability, quality assurance, test, design, etc., that is readily identified with the( c% S$ v, \8 _3 X
end product.
4 k+ M$ {: Y$ M ~: DDirected Energy
! I3 v: @ M! S# g(DE)
9 D# O8 v% i( x* y6 G3 Y+ P1. Energy in the form of atomic particles, pellets, or focused electromagnetic, k( z7 A7 ^" C( h9 R+ I5 e
beams that can be sent long distances at, or nearly at, the speed of9 \2 H+ {9 |$ z3 U/ M1 s
light.; i$ r3 E/ E; c, S! F8 i- T
2. An umbrella term covering technologies that relate to the production of a8 W# ]2 B# f1 q& I9 |
beam of concentrated electromagnetic energy or atomic or subatomic particles.
) }- X7 j% @) z& U9 ~9 eMDA GLOSSARY, VER. 4.0 D
1 j |. |+ i* S* O. y: o( O+ [81
/ ^# g! [( m: v1 ?Directed Energy. c# h# p- n) s+ x b
Device
; o3 V/ w( p- V2 _; h4 J) v6 pA system using directed energy primarily for a purpose other than as a weapon.3 J( j3 R$ Q1 `
Directed energy devices may produce effects that could allow the device to be# x, e: y1 [6 f, F
used as a weapon against certain threats, for example, laser rangefinders./ H# ]( {' t7 R8 H d* y
Directed Energy
" C f' q& Q8 m' `; xWeapon (DEW)
! O$ w8 _2 R6 Q0 ?3 x$ Q" r6 M4 sA system using directed energy primarily as a direct means to damage or destroy
[ b- W9 J* S. f3 O$ qenemy equipment, facilities, and personnel.1 g# i& j! T1 x! [$ X3 P* z
DIRLAUTH Direct Liaison Authorized.
7 f/ g& U9 B) i& o+ ]! C+ zDIRNSA Director, National Security Agency.
" _) L2 N7 a" J/ Z- ADIS (1) Distributed Interactive Simulation. (2) Defense Investigative Service.# }/ T! ?1 a+ T
DISA Defense Information Systems Agency, Washington, DC. (Formerly known as
" a) O/ ]' Q* L3 m- C: S' MDefense Communications Agency).
5 z0 R3 l/ u+ {& p1 \DISCO Defense Industrial Security Clearance Office' ~8 ^. ?, S; A% F( s
DISCOM Division Support Command (US Army term)./ H5 ~2 i% l% ?: D5 K9 @
Discretionary; l# f0 L! q j
Judgment
% V% A( ]6 h b6 FThe authority given USCINCSPACE or his duly authorized representative to3 \- L% f5 }4 g& J: S6 C z
perform actions not covered by the ROE. |
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