Marine Aviation Training Support Group 22 Marine Aviation Training Support Group 22 ( MATSG - 22 ) is a United States Marine Corps aviation training group that was originally established during World War II as Marine Aircraft Group 22 ( MAG - 22 ) . Squadrons from MAG - 22 , were decimated at the Battle of Midway and after reconstituting fought during the Battle of Okinawa . The group was deactivated following the end of the war and were not reactivated until May 1 , 2000 when the Marine Aviation Detachment at Naval Air Station Corpus Christi , Texas was renamed MATSG - 22 . History . MAG - 22 history . Marine Aircraft Group 22 was formed at Midway Atoll on March 1 , 1942 . From its inception until several months after the war it did not serve within the continental limits of the United States , hence earned the popular name of " Foreign Legion of Marine Aviation " . During World War II , MAG - 22 participated in combat at : Marine Aerial Navigation School history . Aerial navigation training first began for the Marine Corps in 1942 when five Marine officers were assigned to the Weems School Of Navigation in Annapolis , Maryland . After completing this course , these five officers became the nucleus who established the navigation school at Camp Kearny in San Diego , California . A year later the school was moved to Marine Corps Air Station Cherry Point , North Carolina where they graduated their first class of navigators in January 1945 . This training program existed only as a ground school . In March 1948 the school was disbanded . In March 1952 after the beginning of the Korean War , the Aerial Navigation School was reactivated as part of the Airborne Operation School located at MCAS Cherry Point . The Airborne Operation School consisted of the Aerial Navigation School , Radio Operator School and the Electronic Countermeasures School . During this time Marine Navigators trained in such aircraft as C - 54s , R4D - 6s , and R4D - 8s ( Super DC - 3 ) . The Aerial Navigation School remained at Cherry Point until January 1971 at which time it was moved to Naval Air Station Pensacola , Florida , where the Navy assumed responsibility for flight support . A detachment of T - 29 aircraft from VT - 29 NAS Corpus Christi , which had been previously assigned for Navy support , now provided flight support for the Aerial Navigation School . At this point the name of the school was changed to the Marine Aerial Navigation School ( MANS ) . After two years at Naval Air Station Pensacola , the Navy moved the detachment of T - 29s and the Marine School moved to NAS Corpus Christi in order to continue the T - 29 support . Due to the phasing out of the T - 29s in 1976 at Corpus Christi , the Marines of MANS were then relocated to Mather Air Force Base , CA , where they utilized the T43 aircraft . In January 1993 , MANS was once again relocated to Randolph AFB , TX . Marine instructors utilizing the 12th Flying Training Wing navigation training facilities staff the Marine Aerial Navigation School ( MANS ) . The command mission of the Marine Aerial Navigation School is to train and qualify enlisted Marines in the " Scientific Art of Navigation " and as Navigators of tactical transport aircraft in support of the Fleet Marine Force . 2000 - present . In May 2000 , the Commandant of the Marine Corps directed the re - designation of Marine Aviation Detachment NAS Corpus Christi as Marine Aviation Training Support Group 22 . All Marine Aviation Training Support Groups were redesignated to promote a sense of Marine Corps identity and tradition and allows them and their history to live on .