150306-N-XB010-127 MEDITTERANEAN SEA (March 6, 2015) Sailors aboard the guided-missile destroyer USS Laboon (DDG 58) conduct physical training on the aft missile deck. Laboon is conducting naval operations in the U.S. 6th Fleet area of responsibility in support of U.S. national security interests in Europe. (U.S. Navy photo by Mass Communication Specialist 3rd Class Desmond Parks/Released)