USAEUR: U.S. Army, Europe. Spoken “Use-ah-Urr.”
USAFE: U.S. Air Force, Europe. Spoken “You-Safe-ee.”
VAC: Volts, alternating current.
Valmet: The Finnish conglomerate that formerly made several types of firearms.
VDC: Volts, direct current.
Viper: The popular nickname for the F-16 fighter. (Its official moniker is the “Fighting Falcon,” which most F-16 pilots detest.)
VW: Volkswagen.
VY: Ham radio shorthand for “very.”
WD-1: U.S. military-issue two-conductor insulated field telephone wire.
YL: Ham radio shorthand for “young lady.” All females regardless of age are designated YLs in the ham world.