PLUG PLACEMENT U.S. Navy Seaman Christina McCallum replaces a cannon plug on an MH-60R Sea Hawk helicopter aboard the aircraft carrier USS John C. Stennis in the Arabian Sea, Oct. 18, 2011. McCallum is an aviation electronics technician airman. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 493234-T-RJO36-158.jpg Photo Gallery