All crews on US Gov Ships must qualify every year with small arms, M14, M9, 12 ga shot gun. Captain red, Chief Mate, mudwater Navy. Chief Engineer USMC, Chief Elec US Army Iraqi. Captains, Chief Engineers had to take 16 hour corse on M2 50-cal,M240G, M60,machine guns and 40 mm MK 19 greanade launchers.