Compare Endicott, Judy G. (2 January 2008). "Factsheet 514 Operations Group (AFRC)". Air Force Historical Research Agency. Retrieved 25 June 2017. (group equipped with C-46s from 1949-1951) with Robertson, Factsheet 336th Air Refueling Squadron (squadron aircraft unknown during this period).
Aircraft is Curtiss C-46D-15-CU Commando, serial 44-77957. Taken at Hamilton AFB. This airplane was transferred to the Japanese Air Self Defense Force. Baugher, Joe (18 March 2023). "1944 USAF Serial Numbers". Joe Baugher. Retrieved 22 April 2023.