When Cronauer first goes with Tuan to see the Vietnamese village, he is wearing a white shirt. In a subsequent shot, the shirt is plaid.
When Cronauer and Garlick get stuck in traffic with the Army trucks, Garlick asks the assembled troops to guess who is in the Jeep with him. One of the troops shouts "Mork". Robin Williams played Mork in Mork & Mindy.