Operation Colossus was the codename given to the first airborne operation undertaken by the British military, which occurred on 10 February 1941 during World War II. The British airborne establishment was formed in June 1940 by the order of the British Prime Minister, Winston Churchill, in response to the successful airborne operations conducted by the German military during the Battle of France. Training began immediately, but a shortage of proper equipment and training facilities, as well as bureaucratic difficulties, meant that only a small number of volunteers could immediately be trained as parachute troops. The first airborne unit to be formed was actually a re-trained Commando unit, No. 2 Commando, which was subsequently renamed as No. 11 Special Air Service Battalion and numbered a