When Lieutenant Fleming dresses, she is not wearing a bra, but later on, bra straps can seen through her shirt.
American soldiers on patrol would not walk bunched together as they would be an easy target for artillery and machine guns.
The North Korean troops are driving a US jeep with a Browning machine gun mounted on the back.
The clothing and dance styles of the women dancers, as well as the hairstyle of Lieutenant Fleming, are of the 1960s, not the 1950s.
The patrol is told to take supplies (food and ammunition) for two days and two canteens of water. When they leave, only five of the six soldiers are carrying a pack with supplies.