150324-N-BD333-080 PORTSMOUTH, England – Theodore Roosevelt Carrier Strike Group leadership and Sailors from the Arleigh-Burke class guided missile destroyer USS Winston S. Churchill tour the Churchill War Rooms Museum in London, March 24, 2015. Churchill, home-ported in Norfolk, is conducting naval operations in the U.S. 6th Fleet area of operations in support of U.S. national security interests in Europe..