 He flew F-80 Shooting Stars and P-51 Mustangs, during his first tour of duty in Korea.He returned to the U.S. in June 1951.Blesse then served with the 94th Fighter-Interceptor Squadron at George Air Force Base until April 1952, when he returned to Korea for a second tour, this time with the 334th Fighter-Interceptor Squadron, returning to the U.S. in October 1952, where he flew F-86 Sabres and was credited in destroying nine MiG-15s and one La-9 in aerial combat plus 1 probable and 3 more damaged.