U.S. Navy Petty Officer 3rd Class Michael Padilla fires a .50-caliber machine gun during a gunnery exercise in the Arabian Sea, March 2, 2011. Padilla is assigned to the weapons department of the aircraft carrier USS Carl Vinson. U.S. Navy Petty Officer 3rd Class Michael Padilla fires a .50-caliber machine gun during a gunnery exercise in the Arabian Sea, March 2, 2011. Padilla is assigned to the weapons department of the aircraft carrier USS Carl Vinson. SHARE: Download: Full Size (2.56 MB) Tags: Photo Essays Credit: VIRIN: 607907-E-UQQ76-841.jpg Photo Gallery