U.S. Navy Senior Chief Petty Officer Terry Libed, center, instructs Petty Officer 3rd Class Eric Welsh during flight deck firefighting drills aboard the aircraft carrier USS Carl Vinson under way in the Pacific Ocean, Dec. 7, 2011. Libed and Welsh are aviation boatswain's mates, handling. U.S. Navy Senior Chief Petty Officer Terry Libed, center, instructs Petty Officer 3rd Class Eric Welsh during flight deck firefighting drills aboard the aircraft carrier USS Carl Vinson under way in the Pacific Ocean, Dec. 7, 2011. Libed and Welsh are aviation boatswain's mates, handling. SHARE: Download: Full Size (1.29 MB) Tags: Photo Essays Credit: VIRIN: 079070-B-RBA07-909.jpg Photo Gallery