Educated at Victoria College, Jersey, Stevens joined the Royal Naval Air Service in 1916.

[1] He served in the Second World War as deputy director and then director of Operations (Naval Co-operation) until 1943 when he became Senior Air Staff Officer at Headquarters No.

[1] He was made Air Officer Commanding RAF Gibraltar in 1944.

22 Group before being appointed Commander of British Forces Aden in 1948.

[1] He went on to be Air Officer Commanding RAF East Africa before becoming Senior Air Staff Officer at Headquarters RAF Coastal Command in 1950 and then Air Officer Commanding-in-Chief at RAF Coastal Command in 1951 and retiring in 1953.