USS Alabama (BB-60) is a retired battleship. She was the fourth and final member of the
South Dakota class of
fast battleships built for the
United States Navy in the 1930s. The first American battleships designed after the
Washington treaty system began to break down in the mid-1930s, they took advantage of an escalator clause that allowed increasing the
main battery to 16-inch (406 mm) guns, but
Congressional refusal to authorize larger battleships kept their
displacement close to the Washington limit of 35,000 long tons (36,000 t). A requirement to be armored against the same caliber of guns as they carried, combined with the displacement restriction, resulted in cramped ships. Overcrowding was exacerbated by wartime modifications that considerably strengthened their anti-aircraft batteries and significantly increased their crews.
https://en.wikipedia.org/wiki/USS_Alabama_(BB-60)
https://en.wikipedia.org/wiki/South_Dakota-class_battleship_(1939)
http://www.navypedia.org/ships/usa/us_bb_sdakota.htm