150321-N-VC236-062 LISBON, Portugal (March 21, 2015) Sailors secure mooring lines aboard the Arleigh Burke-class guided-missile destroyer USS Farragut (DDG 99) as the ship enters port in Lisbon, Portugal. Farragut 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 Jackie Hart/Released)