Generate a question about the following movie plot: In October 1950, during a decimating North Korean Army assault, a U.S. Army tank platoon retreats. The remaining two tanks become lost behind enemy lines. Corporal William Byrne, an idealistic, God-fearing young enlistee, becomes the platoon commander after the platoon sergeant dies. Fighting against the unseen enemy and waning esprit de corps, the tanks crisscross the unfamiliar Korean landscape. Death, dissension, and a wounded North Korean PoW test the wills of Cpl. Byrne and crews. Meanwhile, struggling to maintain his faith, Cpl. Byrne escapes the war by remembering his wife and the delusions of his morphine-medicated mind.
A:
Who reluctantly reveals that he and other agents are merely helping?