Marine Aviation and Training Support Group 21 (MATSG-21) is a
United States Marine Corps aviation training
group that was originally established in 1922 as the 2nd Aviation Group. During
World War II the unit was known as Marine Aircraft Group 21 (MAG-21). Squadrons from MAG-21 fought in many of the opening battles of the war to include the
Battle of Wake Island,
Battle of Midway and as part of the
Cactus Air Force
Cactus Air Force refers to the ensemble of Allied air power assigned to the island of Guadalcanal August 1942 until December 1942 during the early stages of the Guadalcanal Campaign, particularly those operating from Henderson Field. The term " ...
during the
Battle of Guadalcanal The group was deactivated following the end of the war and was not reactivated until 2000 when the Marine Aviation Detachment at
Naval Air Station Pensacola,
Florida was renamed MATSG-21. The core of the MATSG personnel is derived from 175 officer instructors and 550 student naval aviators/naval flight officers.
Mission
Provide administration and training support to all Marines aboard
NAS Pensacola,
NAS Whiting Field and CID
Corry Station. They also provide ceremonial support for base and local events in the form of
color guards and special detail advisors. While the MATSG's mission is administrative in nature, the command monitors the flow of students through the Naval Air Training Command, provides Marine Corps discipline and Marine Corps peculiar training.
History
Early years

The 2nd Aviation Group was formed at
Naval Air Station San Diego in August 1922. They were redesignated Aircraft Squadrons, West Coast Expeditionary Force in July 1926. January 8, 1934 saw another name change, this time to Aircraft Two,
Fleet Marine Force. On May 1, 1939, they were redesignated again to the 2nd Marine Aircraft Group. The group was sent overseas to
Marine Corps Air Station Ewa
Marine Corps Air Station Ewa (MCAS Ewa) was a United States Marine Corps air station that was located west of Pearl Harbor on the island of Oahu, Hawaii. The base was hit during the attack on Pearl Harbor, and later served as the hub for all Mar ...
,
Hawaii in January 1941. There they consolidated with the headquarters of the
2nd Marine Aircraft Wing
The 2nd Marine Aircraft Wing (2nd MAW) is the major east coast aviation unit of the United States Marine Corps and is headquartered in Marine Corps Air Station Cherry Point, North Carolina. The Wing provides the aviation combat element for the ...
July 10, 1941, and less than a month later they were redesignated Marine Aircraft Group 21.
World War II
MAG-21 suffered 17 casualties and all 21 of their aircraft were destroyed during the December 7, 1941
attack on Pearl Harbor. Squadrons from MAG-21 fought at the
Battle of Wake Island,
Battle of Midway and as part of the
Cactus Air Force
Cactus Air Force refers to the ensemble of Allied air power assigned to the island of Guadalcanal August 1942 until December 1942 during the early stages of the Guadalcanal Campaign, particularly those operating from Henderson Field. The term " ...
during the
Battle of Guadalcanal but the group itself remained at MCAS Ewa until February 1943 when they departed for
Banika in the
Russell Islands. By June 1943, MAG-21's squadrons were fighting large scale operations against Japanese installations in the northern
Solomon Islands. The group moved to
Efate in November 1943 and remained there until June 1944. Their final destination during the war was on
Guam where they were based from August 1944 until the end of the war.

The squadron returned to
Marine Corps Air Station Miramar
Marine Corps Air Station Miramar (MCAS Miramar) , formerly Naval Auxiliary Air Station (NAAS) Miramar and Naval Air Station (NAS) Miramar, is a United States Marine Corps installation that is home to the 3rd Marine Aircraft Wing, which is the av ...
in March 1946 with follow on movement to
Marine Corps Air Station Cherry Point
Marine Corps Air Station Cherry Point or MCAS Cherry Point (*) is a United States Marine Corps airfield located in Havelock, North Carolina, United States, in the eastern part of the state. It was built in 1941, and was commissioned in 1942 and ...
,
North Carolina. They were deactivated in April 1947.
[Rottman ''U.S. Marine Corps WWII OOB'', p. 435.]
2000
In May 2000, the
Commandant of the Marine Corps
The commandant of the Marine Corps (CMC) is normally the highest-ranking officer in the United States Marine Corps and is a member of the Joint Chiefs of Staff. Joint Chiefs of Staff: composition; functions. The CMC reports directly to the secr ...
directed the re-designation of Marine Aviation Training Support Group NAS Pensacola as Marine Aviation Training Support Group 21. All Marine Aviation Training Support Groups were redesignated to promote a sense of Marine Corps identity and tradition and allow them and their history to live on.
2004-2005
Hurricanes Ivan and Dennis nearly destroyed the historic
AS Pensacolaincluding the buildings used to house MATSG-21. This forced relocation resulted in the current location on Farrar Rd. in the Parachute Rigger Building.
2006-Present
The command currently oversees training along the Gulf Coast to include Recon and Reserve activities. Additionally, the Enhanced Training Program provides Marines waiting for their
Military Occupational Specialty (MOS) school to begin with the Marine Peculiar Training described on the unit website. Training includes leadership education and development, martial arts, pistol qualification, tactics, community involvement, physical fitness and professional military education.
*
List of United States Marine Corps aircraft groups
*
National Museum of Naval Aviation
Notes
:
:''This article incorporates text in the
public domain from the
United States Marine Corps.''
:
MATSG-21's official website
References
;Books
*
*
*
{{refend
External Links
USMC Archival footage showing MAG-21 Operations on Guam in 1945 Tr