MATSG-23's mission is to serve as the functional training advocate for all USMC Aviation Logistics entry-level training, to include initial accession (A), primary MOS (C), Aircraft Maintenance Officer, Aviation Ordnance Officer Career Progression Schools and Air Traffic Control Officer Course. Additionally, as directed by Training Command, MATSG-23 provides administrative and logistical support to regionally located units in order to prepare Marines for service in the Fleet Marine Force.