170301-N-GL340-003 RIJEKA, Croatia (March 1, 2017) A civil service mariner welds aboard the U.S. 6th Fleet command and control ship USS Mount Whitney (LCC 20) at Viktor Lenac Shipyard in Rijeka, Croatia. Mount Whitney is forward deployed to Gaeta, Italy, operating with a combined crew of U.S. Navy Sailors and Military Sealift Command civil service mariners. (U.S. Navy photo by Mass Communication Specialist 2nd Class Michael Feddersen/Released)