U.S. Navy Lt. j.g Marvin Gibbs takes the safety officer watch aboard the USS Ross during a replenishment at sea with the Military Sealift Command fleet replenishment oiler USNS Leroy Grumman in the Mediterranean Sea, Jan. 5, 2016. The Ross, a guided-missile destroyer, is patrolling in the U.S. 6th Fleet area of operations to support U.S. national security interests in Europe. U.S. Navy photo by Petty Officer 2nd Class Justin Stumberg