| 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 |