What is a gunner's mate second class?

A Gunner's Mate Second Class (GM2) is a non-commissioned officer in the U.S. Navy responsible for the maintenance, operation, and repair of naval weapons systems, including guns, missile systems, and ammunition. They play a critical role in ensuring that armaments are ready for use during operations and may also train personnel in weapon handling and safety procedures. The rank is part of the Gunner's Mate rating, which encompasses various levels of expertise in ordnance and weaponry.