74th Ordnance Company (Depot) June 1, 1913–June 30, 1939 - There had been an Ordnance organization in Hawaii since 1913, when a depot was sent out from Benicia Arsenal in California to Fort Kamehameha on the southern coast of Oahu. During World War I, the Hawaiian Ordnance Depot was moved to Fort Shafter, near Honolulu, and a few years later it also had a maintenance company and a depot detachment at Schofield Barracks in the interior.
Hawaii Arsenal (1915) Fort Shafter - First established as Hawaii Ordnance Depot in 1915 adjacent to Fort Shafter in Honolulu County, Hawaii. Renamed Hawaii Arsenal on 17 Sep 1918. The arsenal was designed as a storage and repair facility for coastal defense armament and normal small arms equipment.