150430-N-RB579-008 ATLANTIC OCEAN (April 30, 2015) Third Officer John Traut, a civil service mariner, conducts a chemical, biological and radiological safety brief aboard the Military Sealift Command's joint high-speed vessel USNS Spearhead (JHSV 1), April 30, 2015. Spearhead is on a scheduled deployment to the U.S. 6th Fleet area of operations. (U.S. Navy photo by Mass Communication Specialist 1st Class Joshua Davies/Released)