Sailors perform scheduled maintenance on the 20mm machine gun. Sailors assigned to Strike Fighter Squadron 211 perform scheduled maintenance on the 20mm machine gun in the fuselage of an F/A-18F Super Hornet aircraft in the hangar bay of the aircraft carrier USS Enterprise (CVN 65) on March 7, 2006. Enterprise and its embarked Carrier Air Wing 1 are conducting a composite training unit exercise while under way in the Atlantic Ocean. SHARE: Download: Full Size (0.09 MB) Credit: VIRIN: 742626-C-NQV46-188.jpg Photo Gallery