Spruance class destroyers were developed for the primary mission of anti-submarine warfare, including operations as an integral part of attack carrier forces. The ships are the first class of ships in the US Navy to have gas turbine power. The four general electric LM-2500 engines produce a total of 80,000 shaft horsepower, they can drive the ship in excess of 30 knots. DDG-993 US Navy destroyer and lead ship in her class, derived from the Spruance class and optimized for AA point defense in hot weather environments. Kit has optional full or waterline hull, detailed upperworks.