W
- WAAC – Women's Auxiliary Army Corps and individual members of; obsolete
- WAC – Women's Army Corps and individual members of; obsolete
- WAF – Women (in the) Air Force and individual members of; obsolete
- WAM – Wide Area Mines (US)
- WAMI – Wide Area Motion Imagery (US)
- WAPC – Wheeled Armoured Personnel Carrier (Canada)
- WASAD – Wide Angle Surveillance and Automatic Detection Device
- WAV – Wide Angle Viewing
- WAVES – Women Accepted for Volunteer Emergency Service (USN); obsolete
- WES – Wing Engineer Squadron (USMC)
- WFOV – Wide Field Of View
- WFSV – Wheeled Fire Support Vehicle (Canada)
- WHA – Weapons Head Assembly
- WHSA – Weapons Head Support Assembly
- WLR – Weapon Locating Radar
- WM – Woman/Women Marine(s)
- WMD – Weapon(s) of Mass Destruction
- WMRV – Wheeled Maintenance and Recovery Vehicle (Canada)
- WP – white phosphorus
- WP-T – white phosphorus - tracer
- WSM – Winchester Short Magnum
- WTS – Wing Transportation Squadron (USMC)
Read more about this topic: Glossary Of Military Abbreviations