RCAF Station Mossbank was home to No. 2 Bombing and Gunnery School, a Second World War British Commonwealth Air Training Plan training facility located near Mossbank, Saskatchewan, Canada. It was similar to the gunnery school at Dafoe Saskatchewan. The proximity to a lake (Old Wives Lake) was important since the lake could be used for bombing and gunnery practice. Aircraft used include the Westland Lysander, Bristol Bolingbroke, Avro Anson, and Fairey Battle.