M1A1 or M116 75 mm Pack Howitzer.
M1A1 75mm Pack Howitzer with pre-war carriage and wheels, provided by US to Chinese allies in 1942.
Gun crew prepares to fire a 37mm sub-caliber mounted on a 75mm field howitzer during range practice by the 19th and 21st FA. Iceland, Sanskeid Range, 20 Jun 1943.
M116 Pack Howitzer in front of Fitzsimons Army Medical Center, Aurora, CO, 8 January 1991.