| Abbreviation | Definition |
|---|---|
| RWPD | Radar Waveform Processor Demonstration |
| RWR | Radar Warning Reciever |
| RWR | Roger Wilco Room |
| RWR | Royal Westminster Regiment |
| RWR | Royal Winnipeg Rifles |
| RWRCC | Royal Winnipeg Rifles Cadet Corps |
| RWS | Radar Warning System |
| RWS | Rawinsonde Subsystem |
| RWS | Re-configurable Workstation |
| RWS | Remote Weapon Station |
| RWS | Remote Weapons Station |
| RWS | Remote Workstation |
| RWS | Revolutionary War Service |
| RWS | Revolutionary War Soldier |
| RWS | Rigid Wall Shelter |
| RWT | Right When Tested |
| RWU | Research Work Unit |
| RWV | Rotary Wing Vehicle |
| RX | Repairable Exchange |
| RXA | Repairable Exchange Activity |