Falls first joined the
Royal Canadian Air Force in 1942 as a pilot and later transferred to the
Royal Canadian Navy after
World War II. He served as commander of the Canadian Flotilla Atlantic, as
Vice Chief of the Defence Staff from 1974 to 1977, as
Chief of Defence Staff of the
Canadian Forces from 1977 to 1980, and as
Chairman of the NATO Military Committee from 1980 to 1983. Falls later became president of the Canadian Centre for Arms Control and Disarmament (now the Canadian Council for International Peace and Security). ==Awards and decorations==