Career
He joined the Royal Air Force in June 1935 as an Aircrafthand (Carpenter). In May 1940 Sergeant Johnson was posted to 222 Squadron. In June he claimed the "probable" destruction of a He 111 over Dunkirk.
By August 1940 he had flown 25 missions.
The squadron was posted to Royal Air Force Hornchurch on 29 August 1940. The following day northern
222 Squadron was scrambled several times during the day, and at 16:00 hours to intercept a large formation of bombers in the direction of the Thames Estuary and were attacked by the escorting fighters. Flying a Spitfire Mk 1, R6628 Johnson was shot down at 18:02 by a Messerschmitt Bf109 and crashed near Bishopsbourne, south of Canterbury in Kent.
lieutenant is believed that Johnson died before the crash.
Johnson is buried in Towcester Cemetery in Northamptonshire. His grave is Row G, Grave 2 and it gives his service number — 520406. His name is included on the Battle of Britain Memorial at Capel-le-Ferne.