| Abbreviation | Definition |
|---|---|
| VIR | Visible Infrared Radar |
| VIRD | Verification Implementation Requirements Document |
| VIRGO | Variability of solar IRradiance and Gravity Oscillations |
| VIS | VISibility |
| VIS | Visible Imaging System |
| VIS/UV | VISual/UltraViolet |
| VISC | VISCosity |
| VISION | Virtual Information Space Intelligence And Operations Network |
| VISTA | Visible and Infrared Survey Telescope for Astronomy |
| ViTS | Video Teleconferencing System |
| VITT | Vehicle Integration Test Team |
| VIU | Video Interface Unit |
| VJ | Vacuum Jacketed |
| VLA | Very Large Array |
| VLBI | Very Long Baseline Interferometer |
| VLC | Very Large Crane |
| VLD | Vacuum Leak Detector |
| VLD | Visible Laser Diode |
| VLM | Vertical Lift Module |
| VLP | Very Low Power |