Hawaii Air Depot Volunteer Corps

The Hawaii Air Depot Volunteer Corps (HADVC) was a civilian Paramilitary unit at Hickam Air Force Base, Hawaii during World War II. The HADVC took on a wide variety of roles helping in the routine operations of the airfield. Along with the Businessmen's Military Training Corps (BMTC), Hawaii Defense Volunteers, Women's Army Volunteer Corps (WAVC), 1st Oahu Volunteer Infantry, and 2nd Oahu Volunteer Infantry, they formed the Organized Defense Volunteer Regiments.

Source: Wikipedia — Hawaii Air Depot Volunteer Corps (CC BY-SA 4.0)