West Coast Wing, Air Transport Command
The West Coast Wing was the name of two organizations assigned to Air Transport Command during World War II. The first was organized in June 1942 as the 25th AAF Ferrying Wing at Hamilton Field, California. It was redesignated the South Pacific Wing, Air Transport Command in July and the West Coast Wing, Air Transport Command in January 1943.
Source: Wikipedia — West Coast Wing, Air Transport Command (CC BY-SA 4.0)