Battle Circus is a 1953 Korean War film directed by Richard Brooks and follows the exploits of the personnel who serve in a MASH unit during the height of the war. Lt. Ruth McGara (June Allyson) is newly assigned to the MASH unit as a nurse, and soon she becomes the target of the romantic advances of Maj. Jed Webbe (Humphrey Bogart). Their romance is however soon interrupted, when the hospital staff are forced to retreat from the advancing North Koreans.
The following weapons were used in the film Battle Circus:
Most of the soldiers in the movie, including Major Webbe (Humphrey Bogart), Sgt. Statt (Keenan Wynn) and Col. Walters (Robert Keith), carry M1 Carbines.
A North Korean prisoner (Philip Ahn), who is taken to the hospital, smuggles in a Mk 2 hand grenade, which was earlier given to him by another Korean prisoner (Ralph Ahn, Philip's brother), and threathens to blow up the whole place, but Ruth manages to calm him down and takes the grenade away from him.