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Deployment8 O5 K; x m1 V, Z @3 e. ~
Testing) _' L% D. O7 M7 E
The testing and/or simulation of system assets in the physical and operational, Q% r1 S* N2 q- [4 n
environment in which they are expected to perform.! F5 L; ?% d; B* B1 P
DepOpsDep Service Deputy Operations Deputies.# Y" H5 W6 R) h3 S. y8 h
MDA GLOSSARY, VER. 4.0 D" m. q# b- J0 D, ?
78
6 B0 Q: N/ c" x! sDepressed
% D* P E0 B) G- @Trajectory
& s$ h, |% H, TTrajectory with an apogee below that of the minimum-energy trajectory.
3 m6 w0 ^8 {$ ?. Z+ J( k3 M4 MDEPSCoR Defense Experimental Program to Stimulate Competitive Research.2 b9 {1 `3 q5 I8 E' k: x
DEPSECDEF Deputy Secretary of Defense.
1 o0 f' P# h* @6 f1 M/ bDeSecState Deputy Secretary of State.4 L' V% n. W# c) g$ A1 t0 N' V
DERA Defense Evaluation and Research Agency. Consolidated research and
: U& J. L2 X( |9 i6 J3 }( D" P! Wdevelopment resources of the U.K. Ministry Defence. Headquartered in7 G* [5 z; p2 w4 g7 e3 t9 v
Farnborough, England.
# _" [/ }+ x2 e* [% y+ vDerivative
4 w, ~8 d' C6 g; V. B: q9 i* fClassification
, ^6 M7 k9 W" r+ b7 a! nA determination that information is in substance the same as information& o1 e% w$ r7 h& a! K! G! n
currently classified and the application of the same classification marking.( B) y0 Y. Y8 y/ ]: i5 L
DES Data Encryption Standard." f$ F5 j6 D6 `* r7 B
DESC Defense Electronics Supply Center (DLA term).7 b5 ^5 C' n3 @# ~( a: z( x. q
Design
4 I0 a4 \& ^1 w5 i1 N/ {+ bConstraints5 y" c+ O% g/ |5 `$ ?
Boundary conditions within which the developer must remain while allocating
9 k* V) a d4 Z: dperformance requirements and/or synthesizing system elements.
- }- c( s9 I" u$ P& W9 b9 |, A5 j; wDesign
^. K6 f0 u2 O* x3 D$ zParameters
1 M! p# N$ t' O; @6 \5 RQualitative, quantitative, physical, and functional value characteristics that are
, I& i4 Y5 K1 {inputs to the design process, for use in design tradeoffs, risk analyses, and& w0 u7 k6 T5 `6 ^% \
development of a system that is responsive to system requirements.5 R3 o7 }6 c* V+ D: U% V ~- F
Design Phase A period of time in the software life cycle during which the designs for9 p0 \' }) x# e o% x; ]
architecture, software components, interfaces, and data are created,
0 w5 }" L2 P V) u% { Adocumented, and verified to satisfy requirements.) _( Q5 X$ O9 }! T' S! C; e
Design-to-Cost$ l( E# E9 I" @, J. H
(DTC) Goal- P+ Q% A( r: W& J# p
Management concept wherein rigorous cost goals are established during
# ]- m7 p% A9 F' Qdevelopment, and the control of systems costs (acquisition, operating, and- h& v+ g2 v" r/ \, Z0 @8 |
support) to these goals is achieved by practical tradeoffs between operational
2 k( S, _' J6 F" L- C- |) _capability, performance, costs, and schedule. Cost, as a key design parameter,
[* f5 J& b% Q6 k1 }' D$ e' Uis addressed on a continuing basis and as an inherent part of the development
/ w; Q O4 M7 oand production process. A DTC goal should be in the form of average unit
; ~/ I+ @* B2 Q$ xflyaway cost. Also, DTC parameters for operation and support will be5 t$ C) z, ?" K; L3 `5 l
selected—parameters that are design-controllable, significantly affect O&S costs,5 g9 d/ ~3 `) U/ d
and can be measured during test and evaluation. Parameters may be
' f6 f; X; i3 fexpressed in dollars or by other measurable factors, e.g., manpower, reliability, or$ G& m; P8 {$ G B
maintainability. Firm goals and thresholds will be established no later than entry
2 z$ B3 W1 D% m# Pinto EMD (Milestone II). This is an in-house goal, almost contractual in nature,& s2 a; r8 L' ]7 X+ y
between the PM (Service) and the SECDEF. Allocations from this goal will
0 F7 y$ X4 t' m7 Z/ Y+ |) T: sbecome the contractual DTC goals for contractors supporting the program.
f6 P4 E5 @& u9 a+ `Det Detachment.
s! S4 |' P/ ZDETEC Defense Technology Evaluation Code.
9 d% p4 J1 Z3 }* g' }8 U+ ^Detector A passive IR, visible, UV detector turns photons into an electrical signal. The+ I. y: Y" ]5 }* M. r2 l, N
IFOV of the detector is its solid angular sub-tense. There is sometimes
, V, a( r$ T$ {5 `, d% [- Nconfusion between the detector sub-tense (size) and the pixel (picture element
' _! o& Z8 T0 U7 n ^1 B' isize). They are the same for a staring sensor, but in a scanner it depends on* Y8 v3 a& P' M+ s
the array offset and number of samples per dwell. A pixel area is often only onesixth or one-eighth of a detector angular area.5 V8 T }3 r7 B+ ?
MDA GLOSSARY, VER. 4.0 D# Z1 h( E: W) H" w: c
79# I6 C3 ]' T8 y0 A$ L
DEV ENV Development Environment.+ U$ w, c+ X% P; J0 G9 } S
Development& n; l$ x1 f4 Z, {
Test (DT)" S" o5 E% u1 v$ J. X
Test conducted by the development test organization to achieve specified test
5 f& K* g1 X1 i$ P& Pobjectives. It may be a complete test, a subtest, or a phase of a test.
' J. m/ v7 D5 u& t! ^' sDevelopment
1 w) y0 E6 |) e: y% }Test I (DT I)& T, r. J$ s. {3 T$ A' j
A series of tests conducted during the demonstration and validation phase.
7 R( \$ a1 _$ }6 P4 R( }1 aComponents, subsystems, or the total (or full) system are examined to determine$ O, h8 {2 ?7 c7 H" Z& g
whether the system is ready for EMD. State-of-the-art technology is addressed
E- E0 X( F' O; g3 {: Kin DT I.* g* w: K) C4 S+ R9 D& {! A
Development
5 o) Q/ [% X6 O5 {Test II (DT II)
# Z) e' {7 J! I3 R5 H, Q- tA series of tests, normally during EMD, which provide the technical data
) o5 F8 p: `& S0 b5 A3 Snecessary to assess whether the system is ready for low-rate initial or full
# O- G. `' R `8 sproduction. It measures the technical performance and safety characteristics of
/ ~! T! J2 f$ Y! [the item and evaluates its associated tools, test equipment, training package,. X3 I) u$ ]2 g& A3 Q
and maintenance test package as described in the development plan. DT II
% p" T' S8 T" H3 saddresses accomplishment of engineering design goals and the fulfillment of' r6 o0 B& e, h. F( ]
contract specifications.
0 r) j$ i6 n" _Development9 Z& S9 r) W4 o7 ]7 U( ^
Test III (DT III)8 r' Q4 B" y& G& j- c3 ~1 W
Tests conducted during production.
* m7 w1 _' W/ Y, c5 HDevelopment# W3 Y- Z8 z* w/ d f
Test and
: K7 C) z: A M4 R, ?Evaluation
+ O: @, q( t Q$ o+ J: S(DT&E)* M- X. S2 p; o( x6 N5 j* ^7 y
Test and evaluation conducted to measure progress, usually of
& w& X- n2 \4 P7 j% l/ h: ]7 E1 i9 _component/subsystems, and the proofing of manufacturing processes and
" d( \0 I& Y2 E& tcontrols and to assist the engineering design and development process and
) R2 O. ?% l" z) i8 m) Q, \verify attainment of technical performance specifications and objectives. Usually
+ g! v* n1 ]+ U w% zconducted under controlled or laboratory conditions. Can be conducted before: V6 X, @) e y& `, f
or after production begins.! o7 b. d$ D6 \) Q
Development
0 o+ n- N6 y' K0 ?/ E! kTest (DT)
5 x7 p$ e* u# A9 {/ |Test conducted by the development test organization to achieve specified test u6 ~" T& c1 q! s$ E
objectives. It may be a complete test, a subtest, or a phase of a test.
) `4 x- y3 d8 {. C' J" LDeviation Criteria Limits established beyond which a Program Manager may not trade-off cost,
/ p' q0 ?5 |0 r- Y1 R6 A6 Sschedule, or performance without authorization from the milestone decision
8 e. Y& M8 c) I# p: Rauthority. Acquisition Program Baseline (APB) thresholds represent these
. R5 V8 u0 f3 f- q* Q) @3 v2 qparameters.
/ _" u; c% @" E# |( dDevolution of
$ K- N$ Z- @% i; NCommand
/ k/ S! Z* ? u: G2 ZMinimal essential operational capability to perform C2 provided in an orderly and
9 o j: G6 Z3 X* ytimely fashion to a duly authorized successor.' l% D; Y' J2 t6 `
DEW (1) Directed Energy Weapon. (2) Directed Energy Warfare.; x1 u. r6 T& G) {- Y; T+ Y' E
DEW/D Directed Energy Weapon/Discrimination.. V( K2 ^8 r& {0 m- h9 S7 Q u, [" J
DEWG, O Directed Energy Weapon Ground, Orbital V6 ~# [9 \2 I7 n3 Z
DEWL Directed Energy Weapon, Laser (thermal or impulse).) f; z+ ^3 t5 M! o" a
DEWP Directed Energy Weapon, Particle Beam (neutral or charged).
. E5 `- G" u, h2 z0 d1 I$ DDF-KBS Data Fusion Knowledge Based System.5 T+ {& Z, B4 p/ v
DF2 Deuterium Fluoride.
% ^. A/ x7 d3 T, k: {; YDFAR Defense Federal Acquisition Regulation2 l: J: b* i/ R# ^
DFARS Defense Federal Acquisition Regulation Supplement.3 _* A9 }# P5 A0 C) M
MDA GLOSSARY, VER. 4.0 D3 x) O9 l/ V$ j
80
- x3 e( n t3 z2 C3 f8 YDFAS Defense Financing and Accounting Service.3 a9 }1 S, B. k5 ]5 o) W% k
DG OBSOLETE. Defense Guidance. See Defense Planning Guidance.2 L& k7 G8 i7 C- e5 G, i
DGA Director General of Armaments (France).7 N2 q2 o& J7 K, M9 C h
DGP Defense Group on Proliferation.# S! R9 p8 |) K7 S6 @# [: M
DI (1) Data Item. (2) Developmental Item.& S! s4 i7 C; A
DIA Defense Intelligence Agency.' a& Z' p! _; \0 c: F
DIAC Defense Intelligence Analysis Center.
2 e l4 ^( w# M: G' t6 Q yDIAM Defense Intelligence Agency Manual/ ~: x8 Z$ e; x
Diameter (Optics) The unit of measure of the light gathering power of a lens.# @2 \( m7 L+ V; D2 G" G" u& u/ |% f
DICE Digital Integrated Combat Evaluator.4 U; `# U6 Z) c' ^3 ?: |
DID Data Item Description.
6 W1 R4 k+ |. r. w/ @Diffraction The spreading out of electromagnetic radiation as it leaves an aperture. The! F4 y8 b& R3 e) F* Z4 Y# [* q
angle of spread, which cannot be eliminated by focusing, is proportional to the8 ~. K& q0 I+ I8 r
ratio of the wavelength of radiation to the diameter of the aperture.
2 n( r" B! h* h a# y) Q# xDigital# m5 S, U6 f& H+ c% }8 V
Processing
! ?; j/ n7 X$ b! {! DThe most familiar type of computing, in which problems are solved through the5 k, @) m$ n4 [1 M5 C3 a+ |: D
mathematical manipulation of streams of bits.5 e7 A" A' a* C: B9 w
DII Defense Information Infrastructure
; v D( [5 d7 U# Z) LDip A period of significantly decreased RCS signatures of an RV at low altitude (6 to' g% o- ~$ m/ V8 K' `
12 km) between wake termination and de-sheathing.0 E, F. M8 @! |) h; \6 _; A1 v. \/ H
DIPS Dynamic Isotope Power System (which provides up to 10 kW of power).0 T0 ?; ?; Y) N/ V! b+ l
DIR Director.
0 T, m: ^" @9 q$ k: a( I6 cDirect Air
9 Q' x- J! _/ bSupport Center2 |4 a6 |, q( Z( t9 Z( @
A subordinate operational component of a tactical air control system designed( j/ X/ ~9 y! y3 \7 y# n* n! P1 K
for control and direction of close air support and other tactical air support% O, Y! \; C/ V& G& R; j. t$ o
operations, and normally collocated with fire support coordination elements.
, X( ^' m$ l9 s, {" e, ~+ zDirect Cost Any cost that is specifically identified with a particular final cost objective. Is not& m- s' ]: |# H4 P
necessarily limited to items that are incorporated into the end product as labor or8 N' T: n2 |- e. J
material.
( j& t+ I+ y; x: yDirect Labor Labor specifically identified with a particular final cost objective. Manufacturing) L6 _1 _, J, s/ }
direct labor includes fabrication, assembly, inspection and test for constructing
( ~# C3 }' m0 X2 R1 _ e% g& W2 ithe end product. Engineering direct labor consists of engineering labor such as
- e) p2 @$ f; N9 greliability, quality assurance, test, design, etc., that is readily identified with the
$ D5 s! w) S; P. S# k o8 tend product.
- X6 ~7 T E& {Directed Energy
' D* Y$ U- X1 @1 {- j/ F0 ^(DE)
$ b y3 Z& c: ~& ^0 y5 F1. Energy in the form of atomic particles, pellets, or focused electromagnetic$ \8 w/ K' r' U4 i+ C
beams that can be sent long distances at, or nearly at, the speed of
1 e* f$ Q* N" m" h4 T6 olight." E; d) |% O: S2 Y
2. An umbrella term covering technologies that relate to the production of a
& c4 F+ @) o5 ibeam of concentrated electromagnetic energy or atomic or subatomic particles.; [- Q, [. s2 k) n- g6 s* r" x
MDA GLOSSARY, VER. 4.0 D- N6 Q& d5 a5 b( ?0 {5 {# @- q
81- I X; L" A T) _1 a$ F9 x. a
Directed Energy
: Z+ s" \4 w2 IDevice# C' d: j! H0 o+ s
A system using directed energy primarily for a purpose other than as a weapon.
7 W& ~% P; G4 ?6 I$ h0 d7 ?Directed energy devices may produce effects that could allow the device to be
2 V% N' p* Z4 J x4 Oused as a weapon against certain threats, for example, laser rangefinders.1 B% R: N5 [( ]9 H
Directed Energy
% u0 Z4 A4 p/ f* f8 i6 tWeapon (DEW)
. Z4 J# n+ X6 F! Y$ j2 V% ~A system using directed energy primarily as a direct means to damage or destroy5 G9 @" f9 U( C, U; F
enemy equipment, facilities, and personnel.
2 N4 I; o* X6 M0 p' i: ^1 E. UDIRLAUTH Direct Liaison Authorized.
- _9 a" d) ]( V2 rDIRNSA Director, National Security Agency.* P8 K8 Y. G5 y
DIS (1) Distributed Interactive Simulation. (2) Defense Investigative Service.
& G; V9 A$ w( gDISA Defense Information Systems Agency, Washington, DC. (Formerly known as
. h( ~1 r3 t& d: t" ~9 SDefense Communications Agency).
1 f+ z9 z2 b1 ?3 hDISCO Defense Industrial Security Clearance Office
+ |- _* `9 A0 g8 [$ a. [* T9 N pDISCOM Division Support Command (US Army term).
& L. H+ A# Z0 B5 cDiscretionary- h8 ] o# g1 M# C( Y6 U! d+ F
Judgment, ~8 y2 U2 V; t) u$ Y
The authority given USCINCSPACE or his duly authorized representative to
o# N" I, E. Y7 C" l& S( nperform actions not covered by the ROE. |
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