British Commonwealth Air Training Plan was created in 1939.

British Commonwealth Air Training Plan ended in 1945.

The British Commonwealth Air Training Plan, also known as the Empire Air Training Scheme, Empire Air Training Plan, Joint Air Training Scheme, or simply "The Plan", was a massive air-training program involving Britain, Canada, Australia, New Zealand, South Africa and Southern Rhodesia during World War II. It remains the largest single aviation training program in history and was responsible for training nearly half the pilots, navigators, bomb aimers, gunners, wireless operators and flight engineers of the Commonwealth air forces during WWII.

the british commonwealth air training program trained pilots to fight in the war.

British Commonwealth Air Training Program - BCATP