Navy Munitions Command Det Oceana is responsible for the security, inventory and accountability of all ammunition and explosives aboard Naval Air Station Oceana. They maintain explosives magazines and ready service stowage areas on a 225-acre weapons site. Its functions include storage, issue/receipt, and assembly of airborne weapons in support of Carrier Air Wings, DOD activities, CNO special projects, and foreign service detachments hosted at Naval Air Station Oceana.

Navy Munitions Command Det Oceana maintains all government small arms, provides safety and small arms qualifications for squadron air crews and Hampton Roads area commands. They also coordinate the pyrotechnics at all air shows aboard Naval Air Station Oceana.