The twin-mount MK 38 MOD 4 fit – comprising the MK 88 MOD 4 gun mount together with the MK 48 MOD 2 electro-optical sight system (EOSS) and the MK 134 MOD 0 operator console – was installed on the ...
Sailors aboard the Nimitz-class aircraft carrier USS George H.W. Bush (CVN 77) conduct a live-fire exercise with a MK-38, .50 caliber machine gun and close-in weapons systems (CIWS). The George H.W.