She became head of the Women's Auxiliary Air Force (WAAF) in 1939 as Senior Controller, changed to Air Commandant in 1940, and appointed Air Chief Commandant on 4 March 1943, then promoted to Air Chief Marshal in the Royal Air Force in 1990.
She became head of the Women's Auxiliary Air Force (WAAF) in 1939 as Senior Controller, changed to Air Commandant in 1940, and appointed Air Chief Commandant on 4 March 1943, when she took over as director until August 1944. Later she was promoted to Air Chief Marshal in the Royal Air Force in 1990.