Commissioned in WWII. Closed now. The mission of SOWEY NAS was to train all assigned units for their mobilization assignment; to provide administrative coordination and logistic support to the Marine Air Reserve Training Detachment South Weymouth and to perform such other functions as directed by the Chief of Naval Operations and to administer the Naval Reserve Program as directed by the Chief of Naval Reserve. Activities performed at the site included aircraft maintenance, refueling, personnel training and housing, and administrative support services. In addition, the U.S. Coast Guard operates a buoy maintenance depot on the property through an agreement with the Navy.