The RAF train pigeons to send messages from aircraft, Calshot, Hampshire. Pigeons being tested by the RAF in Calshot, Hampshire. Full titles read: "CALSHOT" L/S's of a basket with pigeons being loaded onto and RAF (Royal Airforce) flying boat. Good L/S's of the large aeroplane taking to the sky. M/S's of a man releasing a homing pigeon from the cockpit of the aircraft. L/S's and M/S's of an RAF man collecting the pigeon after it has returned home, he holds it upside down and then and takes the message attached to it's ring off