WAIRPASSWAllied Command Europe HighbandWAtomic Weapons Detection Recognition and Estimation of YieldWAutolycus (submarine detector)WBlack ArrowWBomb Power IndicatorWClausen Rolling PlatformWGround Zero IndicatorWHANDELWHigh Down Rocket Test SiteWMk 6 helmetWMk IV helmetWOperational instruments of the Royal Observer CorpsWOrange HarvestWPhotographic Display UnitWPortexWRed ShrimpWRoyal Observer Corps Monitoring PostWRoyal Observer Corps Orlit PostWSearchlight Control radarWType 984 radarWYellow Sun (nuclear weapon)