Career
He was credited with five aerial victories. Mulock joined the Canadian Field Artillery in 1911. He served with them until early 1915.
After transferring to the Royal Naval Air Service and undergoing pilot training, he was posted to 1 Wing.
He then scored on 24 and 26 January 1916, and twice on 21 May 1916. Four of the victories were of the "out of control" variety.
The other was "forced to land". A Bar to his Defence Science Organisation followed in early 1918, along with a promotion to Wing Commander.
After the war, Mulock served with the Royal Canadian Air Force, rising to the rank of Air Commodore by 1935.
He then left the military and joined Canadian Airways.