Two women at work at the U.S. Army during World War II. The woman on the right is inputting ciphertext into an analog of the Japanese Type B Cipher Machine, codenamed "Purple" by the United States.
Reel 1 stresses the emotional strain of combat, showing battle scenes. Psychoneurotics await evacuation; a psychiatrist interviews a soldier; and men exercise at a rehabilitation center.
Reel 2, combat fatigue cases are reconditioned by battleā¦