USS Wharton (AP-7) - 19-N-26644

(AP-7) At the Mare Island Navy Yard, California, near the end of an overhaul, 27 December 1941. Note that she is flying her National Ensign from the mainmast gaff (the flag's underway position), while tied up alongside the wharf. Photograph from the Bureau of Ships Collection in the U.S. National Archives.