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| Marine Aviation Training Support Group 23 | |
|---|---|
 MATSG-23 insignia | |
| Active | 1 March 1942 – 1 November 1945 15 January 1982 - present |
| Country | United States |
| Branch | United States Marine Corps |
| Role | Training |
| Part of | Marine Corps Training Command |
| Garrison/HQ | Naval Air Station Pensacola |
| Nickname(s) | "The Lifeblood of Marine Aviation" |
| Engagements | World War II * Battle of Guadalcanal |
| Commanders | |
| Current commander | Anthony C. Lyons |
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Marine Aviation Training Support Group 23 (MATSG-23) is a United States Marine Corps aviation training group originally established during World War II as Marine Aircraft Group 23 (MAG-23). Squadrons from MAG-23, augmented by Navy and Army flying units formed the Cactus Air Force during the Battle of Guadalcanal. Since then it has evolved into the first Aviation Logistics focused Colonel level command, and serves as a functional training advocate for all USMC Aviation Logistics entry-level training. The instructors and support staff of MATSG-23 are responsible for training thousands of Marines per year in the disciplines required to enable the expeditionary aviation required to support the Marine Air Ground Task Force.