U.S. sailors wait as thr amphibious transport dock ship Pre-Commissioning Unit Arlington (LPD 24) arrives at its new homeport Naval Station Norfolk, Va., March 22, 2013. The Arlington was named for Arlington County, Va., and honors first responders and the 184 victims of the Sept. 11, 2001 attack on the Pentagon. (U.S. Navy photo by Mass Communication Specialist 2nd Class Kristin L. Grover/Released)