170413-N-GL340-069 RIJEKA, Croatia (April 13, 2017) Dockworkers install a steel panel aboard USS Mount Whitney (LCC 20) at Viktor Lenac Shipyard in Rijeka, Croatia, April 13, 2017. Mount Whitney, the U.S. 6th Fleet command and control ship, forward deployed to Gaeta, Italy, operates 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)