 He was promoted to major in 1951 and took command of the 3596th CCTS.The commander of the 4th Fighter-Interceptor Wing (successor to the 4th FG) requested Garrison by name to join the wing, and in November 1952 Garrison went to Kimpo Air Base, Korea, as operations officer of the 335th Fighter-Interceptor Squadron.In January 1953, Garrison took command of the 335th FIS.