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.
The 3rd Congressional District in the Commonwealth of Virginia includes all of the independent cities of Petersburg and Portsmouth, parts of the independent cities of Hampton, Newport News, Norfolk and Richmond, all of the Counties of Charles City and Surry, and parts of the Counties of Henrico and Prince George.