Minister of National Defence for Air (Canada)

Minister of National Defence for Air (Canada) was the minister responsible for the Royal Canadian Air Force during World War II. post created by the 1940 War Measures Act. The act specifically amended the National Defence Act of 1923.

The post was merged into the current post of the Minister of National Defence (Canada) in 1946.

Both Gibson and Macdonald served in the army during World War I.