Pigeon service (00/04/1943): shot of three airmen coming down from loft with pigeons in baskets. Three MCSs of a pigeon in a man's hands. Shots of pigeon being checked by airman, of something being wrapped around the bird's leg and of bird being put back into the basket. LAS of loft, pigeons flying in. Interior shot of pigeon landing at the wicket, man removing message from the bird's leg, reading message and feeding pigeon. Cut to man handing the pigeon basket to rear gunner in Catalina flying-boat. Interior shot of man writing message in cockpit, tying it to the bird's leg and releasing bird.