USS '' Arlington '' ( LPD-24 ) , a , is the third ship of the United States Navy to be named for Arlington , Virginia , the location of the Pentagon and the crash site of American Airlines Flight 77 during the terrorist attacks on 11 September 2001 . Like her sister ships , and , she is named in commemoration of the attacks . Steel taken from the Pentagon after the attacks is displayed aboard in the ship 's museum
terrorist attacks on 11 September 2001
September 11 attacks
USS Arlington (LPD-24)