He is rumoured to carry the plans for the Allied invasion and capture of the Balkans, known as Operation Cross Eagles.
[3] A small group of American commandoes, led by Lt Bradford, are sent to capture a German colonel (Col. Streich) in order to exchange him for the courier.
Bradford and McAfee enter the Nazi-held fort dressed as monks, and pretend to sell fruit.
Bradford and McAfee infiltrate the villa where the British captain is held by Admiral von Vogels.
Once captured they explain the rumour of Operation Cross Eagles was just a smoke-screen and all they actually wanted was the admiral.