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MDA GLOSSARY, VER. 4.0 U
3 Y/ X9 B) r! S* \314 o8 C7 t9 s. |, J0 C
USLANTCOM United States Atlantic Command (Now see USACOM).
4 G6 W5 J4 j D2 v3 V1 e, {; J+ iUSLANTFLT U.S. Atlantic Fleet.
8 k3 H, F7 L+ q7 Y/ Q) t( x q+ SUSMAR-6 }. c5 e* K+ }" [! I/ @ \
FORCENT; x. u$ z: J g2 W4 w0 o
U.S. Marine Component, U.S. Central Command.
) v5 A6 K+ T6 z* C5 q& K) R( Z" ]USMAR-FORLANT U.S. Marine Component, U.S. Atlantic Command.
* o% b# {7 y) JUSMAR-FORPAC U.S. Marine Component, U.S. Pacific Command.
0 {6 [) R e, a) h2 B/ v3 w5 e: kUSMC United States Marine Corps.
5 ~' S$ Y; `* O( K# s( G7 ZUSMCR United States Marine Corps Reserve.
' E$ } i {3 ~9 \8 l2 H# a% zUSMILREP U.S. Military Representative.1 Q9 G) i$ c8 ?
USN United States Navy.
2 A1 e2 z+ h5 H8 y' I U2 GUSNAVCENT U.S. Naval Forces, U.S. Central Command.
/ d+ E: m. g5 |8 V6 ]USNAVEUR U.S. Naval Forces, U.S. European Command.
2 @( U6 F4 B8 u( DUSNIP U.S. Naval Institute Proceedings.
. _% W4 x5 Y* j+ t+ fUSNO U.S. Naval Observatory.
2 ?: e: ?. k2 L# e' _1 U$ ^USNPGS U.S. Naval Post-Graduate School.
8 y( ~$ T; M, r& f& p9 xUSPACAF U.S. Air Forces, U.S. Pacific Command.. K( l( J, r* |: H4 G
USPACFLT US Pacific Fleet.
4 m8 A9 e/ W6 W: f; b) PUSPACOM United States Pacific Command, Pearl Harbor, HI." @. q) z3 F- P% H
USREPMC U.S. Representative to the Military Committee (NATO).- X+ S2 L) s9 e7 i* ^
USSC United States Space Command.
7 i) M L% g& yUSSOCOM United States Special Operations Command, Tampa, FL.+ y+ H) @5 g3 \
USSOUTHCOM United States Southern Command, Panama Canal Zone, Panama., R- L ?, @2 s
USSPACECOM See United States Space Command.3 @' }) K+ k+ e+ U: u8 L1 H1 |/ L
USSS United States Secret Service.
4 q( B( C! ]2 g' _' s1 d7 YUSSTRATCOM See United States Strategic Command.& ^7 Q# m' G. {9 ?! J
USTA United States Telephone Association.
2 U- B S* Y! n \" ZUSTRANSCOM See United States Transportation Command.1 ~8 Z) N* n- J, U# V- r8 _) {+ _- x
UT Universal Time.
4 F" |2 X4 j& L1 e/ n, y- |" h! j4 zUTC Unit Type Code.
( X- J/ G0 A) e( w. i5 {MDA GLOSSARY, VER. 4.0 U- I- e2 v) H" Z* [
315
. n, j1 F1 i& S- ~9 g; a) [2 oUTM Universal Transverse Mercator. ]- o! Q9 D) i( F) \. C3 T# I
UTTMDS Upper Tier Theater Missile Defense System. See THAAD System.
- \& T! F& W; W/ Z; Y8 nUUT Unit Under Test (ILS term).
?& r; P5 x0 KUV Ultraviolet.
# I4 e3 k u' g2 g- e4 VUV Electro-
: [9 i2 T: `' ?1 o0 BOptics
% g1 J6 u/ G# K% r, F; X+ O7 \8 vTechnologies/techniques employed by optical sensors in the wavelength4 x9 Y+ w" K& C$ h. @* l
spectrum shorter than visible (e.g., less than 4,000 A).# \* B# v: ~+ Q8 C2 [. p
UVPI Ultraviolet Plume Instrument.2 h6 Y4 C. I+ M
UW Unconventional Warfare.( n8 @" c& {8 G Z
MDA GLOSSARY, VER. 4.0 V
- w. M- M8 }& a3 |& \7 C) k! G316- F4 J5 l* p8 [3 W% K1 q) A L
V Volt.
5 l; ~' ~4 }. x% y; P4 N# M7 _V&H Vulnerability and Hardening.
, z: S' F/ Z% _% o' P. KV&V Verification and Validation. (See Verification, Validation, and IV&V.)
8 V1 Q! e% f- p- Q: C. D# a& J r2 [V/STOL Vertical Short Takeoff and Landing [aircraft].' d# E. x9 Y$ u4 Z7 e* }8 y* u. o
VAFB Vandenberg Air Force Base, CA.7 Y& Z. M, y7 z8 n& A
Validation Confirmation that the processes and outputs from a test resource parallel real
) h; I d! P/ E1 V% E+ {world processes and are realistically sensitive to change in the environment,5 Z9 M, j5 [* G4 W4 w w2 q0 G
tactical situation, system design, tactics, and threat.
, D. w I/ R' c6 W7 O! J" pVAMOSC Visibility and Management of O&S Costs.( R% N; A% S- R( Z) O' q! X
VAR Visitor Access Request.+ J9 S |1 G5 o& T
Variability The manner in which the probability of damage to a specific target decreases
; j. P Z+ m, F% R# bwith the distance from ground zero; or, in damage assessment, a mathematical
) e$ J: X/ o* m+ e; vfactor introduced to average the effects of orientation, minor shielding, and
7 e: Z' p3 P8 Buncertainty of target response to the effects considered.# ?* ~' H# ^0 Q/ d. t
VBO Vertical Burn-Out (velocity).
) R" h6 o1 H- T# `8 u$ k' SVCC Voice Communications Circuit. s5 A* ]. W- `1 `6 G( O! I8 A
VCRM Verification Cross Reference Matrix.
# x p# B) h; a% w* `/ v L3 p# jVCS Voice Communications System." J9 T! ~, h Q B5 t
VDC Volts Direct Current.$ |+ M2 I2 W! |4 V0 A% ~0 B
VDD Version Description Document.8 M2 r- t9 e0 l/ e! U" J
VDU Visual Display Unit.
y9 m: \4 h8 `VE Value Engineering.' m7 \2 ]; W6 Z* `" v1 ?( i- M' H
VECP Value Engineering Change Proposal.3 \+ i0 g7 t' x8 I9 z
Verification (1) Confirmation that all data inputs, logic, calculations and engineering
9 v1 y+ P" x8 E6 Zrepresentations of a T&E resource accurately portray the characteristics,
% J2 o4 |" A* J3 b7 Pcalculations, logic, and interactions of the system under evaluation.$ ?7 {* D& m* ^# V O- O) e/ b8 B
(2) The process of evaluating a system or component during or at the end
& N$ C# }( G, G+ L6 `of the development process to determine whether it satisfies specified) ~% c8 b! c: K2 `$ W$ ] v/ B7 h
requirements.
7 s( |# M% z: s7 s( ?6 h( c) Z4 tVESA Video Electronics Standards Association.
' ~: T$ E, E! f) ]+ m& Y, V9 vVFR Visual Flight Rules.& }3 W! w! F+ @% \( H F
VGA Video Graphics Array (Telecomm/Computer term).2 R$ T) h8 V, u3 T; ?, w
VHF Very High Frequency.% T% ^/ ^& c2 m4 s+ _8 E* q
VHSIC Very High Speed Integrated Circuit.
0 K# H* r3 c, k# d4 [5 t, YMDA GLOSSARY, VER. 4.0 V
% K5 O3 W! j# N317 {) J! d4 c% J2 p; m
VIDS Vehicle Integrated Defense Software (USA term).
3 U: X# s# W2 Y1 t0 y4 tVIGILANTE Viewing Image/Gimbaled Instrumentation Lab-Analog Neural Three-D$ y6 \) L& H# C4 u0 ?- Q- E
Experiment. VIGILANTE involves building a small computer (ANTE) offering 1/122 }0 q, n9 s6 W+ w4 k
Operation Per Second (OPS), using a mixture of experimental three-dimensional ^& |8 g5 Q: {* W# w# N9 q' ]" y+ y8 t
circuitry and commercial components. Project also demonstrates VIRGIL, a5 e5 Q* W- G; V! b, _: \8 [; v
gimbaled airborne sensor with visible, experimental UV and quantum-well IR
, v# F* \8 a) ?" S W) P" Lcameras capable of tracking targets that can be detected, identified, and
! U: u# |8 J& B1 f3 Hprecision-tracked with the ANTE processor.9 m& C; k: }' F9 h8 ^
VIM Vibration Isolation Module.1 e3 |+ {% D i- |5 K
VINSON Encrypted Ultra High Frequency Communications System.
, b. M# D# F! c j6 i: R7 Y6 r4 f( UVIS Visible.
+ ]7 [4 v* m6 {! q. F3 _VIS/UV Visible/Ultraviolet." X8 D, W4 P5 V- w& k! V9 L0 n
Visibility Range
, ~' K/ H0 p1 u1 l6 i(or Visibility); T# E' u* G# M& R& |
The horizontal distance (in kilometers or miles) at which a large dark object can% P# H0 b h* o1 n; ^- `6 {. k: L, |5 `0 E
just be seen against the horizon’s sky in daylight. The visibility is related to the% o( |' M# l6 o p1 C
clarity of the atmosphere ranging from 170 miles (280 kilometers) for an: q4 h2 G, `8 \3 y; D- Z
exceptionally clear atmosphere to 0.6 mile (1.0 kilometer) or less for dense haze8 y" F+ Z$ r% T) k* p: p7 u
or fog. The visibility on an average clear day is taken to be 12 miles (19% p8 F- P1 a( m5 {. U7 F% o
kilometers).0 u; {6 {) N* ]/ N
Visible Electro-- j* T2 X% _8 ]- g; I
Optics
, d8 \4 ^! [( W5 ]+ gTechnologies/techniques employed by optical sensors in the visible portion of
) k! d, Z3 P( m! Z' J ~the wavelength spectrum.
+ d! X6 M- S3 e% J% @" oVLAR Vertical Launch and Recovery (UAV JPO term).- T6 Z- V5 B9 _- q' O
VLF Very Low Frequency.
6 ^6 u6 h8 o; \2 [$ }/ \VLOS Vertical Line of Sight. |
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