| Abbreviation | Definition |
|---|---|
| VAC | Volts, Alternating Current |
| VAD | Velocity Azimuth Display |
| VAD | Vintage Aircraft Division |
| VAD | Voluntary Aid Detachment |
| VADM | Vice-Admiral |
| VADS | Vulcan Air Defense System |
| VAE | Virtual Army Experience |
| VAG | Voting Assistance Guide |
| VAH | Heavy Attack Naval Air Squadron |
| VAH-8 | Heavy Attack Squadron 8, The Fireballers |
| VAK | Naval Aerial Refueling Squadron |
| VAL | Japanese AICHI 99 dive bomber, World War I I |
| VAL | Naval Light Attack Squadron |
| VAL | Vulnerability Assessment Laboratory |
| VALB | Veterans of the Abraham Lincoln Brigade |
| VAM | Vigilanza Aeronautica Militare |
| VAM | Vulnerability Assessment and Management |
| VAO | Victim Activated Ordnance |
| VAP | Naval Heavy Photographic Squadron |
| VAQ | Naval Tactical Electronic Warfare Squadron |