CARGO CHALLENGE A U.S. sailor aboard the Military Sealift Command dry cargo and ammunition ship USNS Richard E. Byrd attaches cargo to an MH-60S Seahawk helicopter while conducting a replenishment with the aircraft carrier USS Nimitz underway in the Pacific Ocean, April 28, 2013. The Seahawk is assigned to Helicopter Sea Combat Squadron 6. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 837380-D-NMH83-646.jpg Photo Gallery