 Johnson was given a permanent commission by the RAF after the war ( initially as a squadron leader , although retaining his wartime substantive rank as wing commander , and later confirmed in that rank ) , becoming OC Tactics at the Central Fighter Establishment . After an exchange posting to the USA , he flew North American F @-@ 86 Sabres with Tactical Air Command and went on to serve in the Korean War flying the Lockheed F @-@ 80 Shooting Star . Johnson did not leave any written record of his experiences in the Korean War . It is believed he saw action against enemy aircraft . For his service he received the Air Medal and Legion of Merit from the United States . 
