130221-N-GC639-033 NORFOLK (Feb. 21, 2013) Tug boats assist the Nimitz-class aircraft carrier USS Dwight D. Eisenhower (CVN 69) as it pulls away from the pier at Naval Station Norfolk. Dwight D. Eisenhower departs for a deployment to support maritime security operation and theater security cooperation efforts in the U.S. 5th and 6th Fleet areas of responsibility.