The United States Navy, United States Coast Guard, and United States National Oceanic and Atmospheric Administration (NOAA) use a hull classification symbol to identify their ships by type and by individual ship within a type. The system is analogous to the pennant number system that the Royal Navy and other European and Commonwealth navies use.
Bath Iron Works (BIW) is a major United States shipyard located on the Kennebec River in Bath, Maine, founded in 1884 as Bath Iron Works, Limited. Since 1995, Bath Iron Works has been a subsidiary of General Dynamics, one of the world's largest defense companies. BIW has built private, commercial, and military vessels, most of which have been ordered by the United States Navy.
USS Truxtun has been the name of various United States Navy ships in honor of Commodore Thomas Truxtun, and may refer to:
USS Bainbridge (DLGN-25/CGN-25) was a nuclear-powered guided missile cruiser in the United States Navy, the only ship of her class. Named in honor of Commodore William Bainbridge, she was the fourth US Navy ship to bear the name. With her original hull classification symbol of DLGN, she was the first nuclear-powered destroyer-type ship in the US Navy, and shared her name with the lead ship of the first US Navy destroyer class, the Bainbridge-class destroyers.
Four ships of the United States Navy have been named USS Biddle, in honor of Captain Nicholas Biddle.
Four United States Navy ships have been named USS Gridley in honor of Charles Vernon Gridley.
The Virginia class were four nuclear-powered, guided-missile cruisers that served in the United States Navy until the mid-to-late 1990s. The double-ended cruisers were commissioned between 1976 and 1980. They were the final class of nuclear-powered cruisers completed and the last ships ordered as Destroyer Leaders under the pre-1975 classification system.
The United States Navy reclassified many of its surface vessels in 1975, changing terminology and hull classification symbols for cruisers, frigates, and ocean escorts.
The name Mahan was assigned to the following four United States Navy ships, in honor of Rear Admiral Alfred Thayer Mahan, naval historian and theorist on sea power.
USS King (DL-10/DLG-10/DDG-41) was a Farragut-class guided missile destroyer in the United States Navy. She was named for Fleet Admiral Ernest Joseph King (1878–1956),
Destroyer leader (DL) was the United States Navy designation for large destroyers from 9 February 1951 through the early years of the Cold War. United States ships with hull classification symbol DL were officially frigates from 1 January 1955 until 1975. The smaller destroyer leaders were reclassified as destroyers and the larger as cruisers by the United States Navy 1975 ship reclassification so destroyer escorts could be reclassified as frigates (FF) in conformance with international usage of the term.
USS Macdonough (DLG-8/DDG-39) was a Farragut-class guided missile destroyer in the United States Navy. She was named for Commodore Thomas Macdonough, the 4th ship of the United States Navy to be named for him.
Leahy-class cruisers were a class of guided-missile cruisers built for the United States Navy. They were originally designated as Destroyer Leaders (DLG), but in the 1975 cruiser realignment they were reclassified as guided-missile cruisers (CG).
USS Dewey (DLG-14/DDG-45) was a Farragut-class guided missile destroyer in the United States Navy. She was named in honor of George Dewey, the United States' only Admiral of the Navy. She was the third of four ships whose namesake was Admiral Dewey. The ship's motto was The First and Finest.
United States ship naming conventions for the U.S. Navy were established by congressional action at least as early as 1862. Title 13, section 1531, of the U.S. Code, enacted in that year, reads, in part,
The vessels of the Navy shall be named by the Secretary of the Navy under direction of the President according to the following rule: Sailing-vessels of the first class shall be named after the States of the Union, those of the second class after the rivers, those of the third class after the principal cities and towns and those of the fourth class as the President may direct.
In the early 1960s, the United States Navy was the world's first to have nuclear-powered cruisers as part of its fleet. The first such ship was USS Long Beach (CGN-9). Commissioned in late summer 1961, she was the world's first nuclear-powered surface combatant. She was followed a year later by USS Bainbridge (DLGN-25). While Long Beach was a 'true cruiser', meaning she was designed and built as a cruiser, Bainbridge began life as a frigate, though at that time the Navy was using the hull code "DLGN" for "destroyer leader, guided missile, nuclear". This was prior to the enactment of the 1975 ship reclassification plan, in which frigates (DLG/DLGN), which were essentially large destroyers, were reclassified as cruisers, so that the US Navy's numbers would compete with those of the Soviet Navy. Long Beach, the largest of all the nuclear cruisers, was equipped with a C1W cruiser reactor, while all the others were equipped with D2G destroyer reactors.
