The term most commonly refers to a large, crewed, autonomous vessel. It is also sometimes used historically or colloquially to refer to remotely operated vehicles and robots, as well as medium-sized or smaller vessels, such as the midget submarine and the wet sub.
Alexandria is part of Virginia's 8th congressional district, represented by Democrat and Alexandria resident Don Beyer, elected in 2014. The state's senior member of the United States Senate is Democrat Mark Warner, elected in 2008.
Arlington County, Virginia Federal Census. Established 1801 as Alexandria Co. of the District of Columbia; retroceded to VA in 1846; organized as VA county of Alexandria 1847; name changed to Arlington in 1920. The City of Alexandria has since displaced part of Arlington Co. Year.