This article is about the American experimental stealth ship. For the 2011 Emirati film, see Sea Shadow (film).
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Sea Shadow (IX-529) was an experimental stealth ship built by Lockheed for the United States Navy to determine how a low radar profile might be achieved and to test high-stability hull configurations that have been used in oceanographic ships.
Sea Shadow was built in 1984 to examine the application of stealth technology on naval vessels and was used in secret until a public debut in 1993. In addition, the ship was designed to test the use of automation to reduce crew size. The ship was created by the Defense Advanced Research Projects Agency (DARPA), the U.S. Navy and Lockheed. Sea Shadow was developed and built at Lockheed's Redwood City, California, facility, inside the Hughes Mining Barge (HMB-1), which functioned as a floating dry dock during construction and testing.[1]
History
Sea Shadow had a SWATH (small-waterplane-area twin hull) design. Below the water were submerged twin hulls, each with a propeller, aft stabilizer, and inboard hydrofoil. The portion of the ship above water was connected to the hulls via the two angled struts. The SWATH design helped the ship remain stable in rough water up to sea state 6 (wave height of 18feet (5.5m) or "very rough" sea). The shape of the superstructure was sometimes compared to the casemate of the ironclad ram CSSVirginia of the American Civil War.[1]
Sea Shadow had 12 bunks, one small microwave oven, a refrigerator and table. It was not intended to be mission-capable and was never commissioned, although it was listed in the Naval Vessel Register.
In 2006, the U.S. Navy tried to sell Sea Shadow to the highest bidder;[1][2] after the initial offering met with a lack of interest, it was listed for dismantling sale on gsaauctions.gov.[3] The U.S. government mandated that the buyer not sail the ship and be required to scrap it. The ship was finally sold in 2012.[4][5]Sea Shadow was dismantled in 2012 by Bay Ship & Yacht Company of Alameda, California.[6]
In popular culture
In the 1997 James Bond film Tomorrow Never Dies, media tycoon Elliot Carver (Sir Jonathan Pryce) operated a stealth ship that resembled Sea Shadow's appearance. Christened as Sea Dolphin II in the film, the secret and stealthy floating lair was used as a plot device to attempt to initiate World War III.[7]
1 2 3 4 5 Newman, Barry (24 February 2009). "The Navy has a Top-Secret Vessel it wants to put on display; Sea Shadow and its Satellite-Proof Barge need a home; Plotting in Providence". The Wall Street Journal. p.1.
This article includes information collected from the Naval Vessel Register, which, as a U.S. government publication, is in the public domain.The entry can be found here.
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