 In January 1940, the Marine Corps had four SBC-4s.Two were based at Marine Corps Air Station (MCAS), Quantico, Virginia; one was assigned to VMF-1 (redesignated VMF-111 on 1 July 1941) and the second, the XSBC-4, was assigned to Marine Utility Squadron One (VMJ-1 redesignated VMJ-152 on 7 July 1941).The other two aircraft were based at NAS, San Diego, California; one SBC-4 was assigned to VMF-2 and the second to VMJ-2 (redesignated VMJ-252 on 1 July 1941).