| The experimental ship Sea Shadow was developed in total secrecy by the United States Navy and its contractors, Lockheed Martin Corporation and the Advanced Research Projects Agency, during the 1980s. The Navy finally unveiled the stealth ship to the American press and public in 1993, nearly a decade later. Sea Shadow moves through the water almost silently, and stealth technology renders it virtually undetectable to radar, sonar, and the infrared sensors used by heat-seeking missiles. The ship measures 50 m (164 ft) long, 21 m (68 ft) wide, and has a 4-m (14-ft) draught. |
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