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 County, Virginia, the location of the Pentagon and the crash site of American Airlines Flight 77 during the terrorist attacks on 11 September 2001.

[citation needed] Arlington arrived at her homeport of Naval Station Norfolk, Virginia on 22 March 2013 in preparation for commissioning.

[11] In October 2015, Arlington embarked upon her maiden deployment to the 5th and 6th Fleet Areas of Responsibility as part of the USS Kearsarge (LHD-3) Amphibious Ready Group, along with the 26th Marine Expeditionary Unit.

During the deployment, Arlington transited 36,740 nautical miles and conducted port visits in Lisbon, Portugal, Souda Bay, Greece, Eilate, Israel, Aqaba, Jordan, Bahrain, Kuwait, Abu Dhabi, U.A.E.

[17] In April 2022 Arlington was deployed to Icelandic waters to take part in the NATO exercise Northern Viking 2022.