[4] The squadron subsequently moved to San Diego a few months later and shipped out to the South Pacific on 10 October 1942.

[5] In November 1942, the squadron became part of the joint-service South Pacific Combat Air Transport Command.

Following the surrender of Japan, the squadron flew in support of the 1st Marine Division during their occupation of Northern China from 1945 - 1947.

Following their China duty the squadron returned to the United States where they were based at Marine Corps Air Station El Toro, California.

During the Battle of Chosin Reservoir, a four-engined R5D-2 transport, especially configured to carry a complete tactical air direction center (TADC), controlled all support aircraft as they reported on station, and assigned them to the various forward air controllers, as appropriate for the missions requested.