USS Hopper DDG-70 is an Arleigh Burke-class guided missile destroyer of the United States Navy, named for the pioneering computer scientist Rear Admiral Grace HopperHopper is only the second US Navy warship to be named for a woman from the Navys own ranks This ship is the 20th destroyer of her class USS Hopper DDG-70 was the 11th ship of this class to be built at Bath Iron Works in Bath, Maine, and construction began on 23 February 1995 She was launched and christened on 6 January 1996 On 6 September 1997, she was commissioned in San Francisco outside of Silicon Valley with Commander Thomas D Crowley in command