USS Arlington (LPD-24) a San Antonio-class amphibious transport dock is the third ship of the United States Navy to be named for Arlington Virginia the location of the Pentagon. Like her sister ships USS New York and Somerset she is named in commemoration of the September 11 2001 attacks. Steel taken from the Pentagon after the September 11 attacks will be displayed aboard.Arlington's keel was laid down on 26 May 2008 at Northrop Grumman's Ingalls shipyard in Pascagoula Mississippi. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Mean Of Transportation