NASA Acronyms -V-


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V P-P volt peak-to-peak
V volt
V voltage
V&DA video and data acquisition
V&DA video and data assembly
V&V verification and validation
V-A vibroacoustic
V-A volt-ampere
V-CITE vertical cargo integration test equipment
V-RTIF Vandenberg real-time interface
V/A video/analog
V/C vector control
V/H velocity to height
V/M velocity meter
V/T voltage/temperature
V/U vehicle utility
V/V validation and verification
V/V vent valve
VA vibroacoustic
VAA vehicle assembly area
VAA visible acquisition aid
VAACP visible acquisition aid control panel
VAB Vehicle Assembly Building
VAB Vertical Assembly Building
VAC vehicle assembly and checkout
VACTL Vertical Assembly Component Test Laboratory
VADC venting analysis digital computer
VAFB Vandenberg Air Force Base
VAIB Vehicle Assembly and Integration Building
VAK vertical assembly kit
VAL network validity word
VAN USNS Vanguard (STDN)
VAPEPS vibroacoustic payload environment prediction system
VAR variance analysis report
VAR verification analysis report
VAR verification analysis review
VAR visual-aural radio range
VAR volt-ampere reactive
VAS visible-acquisition sensor
VASI visual-approach slope indicator
VAST versatile avionic system tester
VAT vibroacoustic test
VATA vibroacoustic test article
VATF vibration and acoustic test facility
VAX virtual address extended
VBC video bandwidth compressor
VC vector character
VC velocity counter
VC video camera
VCB vertical location of the center of buoyancy
VCC vehicle command count
VCC vehicle crew chief
VCC verification code counter
VCC voltage change controller
VCD verification control document
VCG constant drag value
VCG vapor crystal growth
VCG vector cardiogram
VCG vertical location of the center of gravity
VCGS vapor crystal growth system
VCI velocity change indicator
VCL vehicle centerline
VCM volatile condensable material
VCN vehicle configuration number
VCN verification change notice
VCN verification completion notice
VCO voltage control operator
VCO voltage control oscillator
VCO voltage-controlled oscillator
VCP vehicle control processor
VCPS verification completion planning sheet
VCR videocassette recorder
VCS vehicle cargo system
VCS verification control sheet
VCT voltage control transfer
VCU video control unit
VCXO voltage-controlled crystal oscillator
VDA vapor-deposited aluminum
VDA variable data area
VDA video data assembly
VDB verification data base
VDD verification description document
VDD version description document
VDD visual display data
VDE visual display equipment
VDF validation data file
VDI vector display indicator
VDP variable-delivery pump
VDS vehicle dynamic simulator
VDS visual display system
VDSS vehicle dynamic simulator system
VDT vehicle data table
VDU visual display unit
VE equivalent velocity
VE vehicle engineering
VEB vehicle equipment bay
VEDS vehicle emergency detection system
VEEI vehicle electrical engine interface
VEFCO vertical functional checkout
VEI vehicle end item
VEM viscoelastic materials
VERLORT very long range tracking radar
VF vertical flight
VF video frequency
VF voice frequency
VFI verification flight instrumentation
VFM viewfinder monitor
VFN verification change notice
VFO variable-frequency oscillator
VFR visual flight rule
VFT verification flight test
VFT vertical flight test
VG velocity generator
VGIMU velocity to be gained as related to IMU orientation
VGOR vehicle ground operation requirement
VGP vehicle ground point
VGRF Variable-Gravity Research Facility
VGT vehicle ground test
VGVT vertical ground vibration test
VGVTA vertical ground vibration test article
VGX velocity to be gained (body X-axis)
VGY velocity to be gained (body Y-axis)
VGZ velocity to be gained (body Z-axis)
VH vent hole
VHAA very high altitude abort
VHF very high frequency (30 to 300 megahertz)
VHF/AM very high frequency amplitude modulator
VHF/DF very high frequency direction finder
VHFOA VHF omnidirectional antenna
VHM vehicle health monitoring
VHSIC very high speed integrated circuit
VIB Vehicle Integration Building
VIB Vertical Integration Building
VIC Visitor Information Center
VIL vehicle integration and launch
VIQ variation in quantity
VIS verification information system
VISTAR visible space tracking and reconnaissance
VIT vehicle integration test
VIU vehicle interface unit
VIU video interface unit
VJ vacuum-jacketed
VLA verification loads analysis
VLBI very long baseline interferometer
VLC verification load cycle
VLF Vertical Launch Facility
VLF very low frequency
VLPS Vandenberg launch processing system
VLR very low range
VLS Vandenberg launch and landing site
VLS Vandenberg launch site
VLS vertical launch system
VLS visible-light sensor
VLSI very large scale integration
VLSIC very large scale integrated circuit
VLSSM VLS support manager
VLSST Vandenberg launch site support team
VM virtual memory
VM voltmeter
VME vertical memory expansion
VMF Vertical Maintenance Facility
VMIR Vandenberg management integration review
VMS vehicle management system
VMS velocity measuring system
VMS vertical motion simulator
VMS virtual memory system
VMSP VLS mission support plan
VNB very narrow band
VO Space Vehicle Operations (KSC directorate)
VO vehicle operations
VOCP vehicle-out-of-commission part
VOGAD voice-operated gain-adjust device
VOM voltohmmeter
VOMP Vandenberg operational management plan
VOR VHF omnidirectional radio range
VOR voice-operated relay
VOR-DME VHF omnirange UHF distance measuring equipment
VORTAC variable omnirange tactical (VOR and TACAN)
VOT VHF omni test
VOX voice-operated transmitter
VP vacuum pump
VP verification polarization
VP vertical polarization
VP viewpoint
VPD variable power divider
VPF Vertical Processing Facility
VPHD vertical payload handling device
VPI valve position indicator
VPK volts peak
VPLCC Vehicle Propellant Loading Control Center
VPM vehicle project manager
VPPAW variable-polarity plasma arc welding
VPSA vehicle processing storage area
VR variable reluctance
VR video recorder
VR voltage regulator
VR voltage relay
VRAS verification requirements analysis sheet
VRB VHF recovery beacon
VRCS vernier reaction control system
VRF vertical removal fixture
VRG variable report generation
VRH VAR-hour meter
VRL vertical recovery line
VRL vertical reference line
VRP variability reduction program
VRR verification readiness review
VRS vendor rating system
VSA variable-stability aircraft
VSA verification site approval
VSB vestigial side band
VSC vehicle support contractor
VSC vibration safety cutoff
VSD vertical situation display
VSI vertical speed indicator
VSI video simulation interface
VSMF vendor specification microfile
VSN video switching network
VSN volume serial number
VSO very stable oscillator
VSPC virtual storage personal computing
VSTAG Vandenberg Shuttle Turnaround Analysis Group
VSTAR Vandenberg Shuttle Turnaround Assessment Report
VSWR voltage standing wave ratio
VT vacuum tube
VT voice tube
VTAR verification test/analysis report
VTBC vertical time bar chart
VTCW vehicle time code word
VTF Vertical Test Facility
VTF vertical test flight
VTM verification test matrix
VTM vibration test module
VTN verification test network
VTOC visual table of contents
VTP vehicle test plan
VTP verification test plan
VTP verification test program
VTPS vibroacoustic test plan summary
VTR video tape recorder
VTS Vandenberg tracking station
VTS verification test station
VTS vertical test site
VTS vertical test stand
VTS vertical test system
VTS vibroacoustic test summary
VTVM vacuum tube voltmeter
VU vehicle unit
VU vehicle utility
VU volume unit
VUSW vehicle utility software
VV vent valve
VV vertical velocity
VVI vertical velocity indicator
VWFC very wide field camera
VX velocity along the X-axis
VY velocity along the Y-axis
VZ velocity along the Z-axis
Vac volts, alternating current
Vdc volts, direct current
Vrms volts root mean square

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