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US Navy Cancels Development of High-Tech Railgun Weapon The URL has been copied to your clipboard 0:00 0:05:11 0:00 projectiles at up to seven times the speed of sound. The Navy spent more than 10 years developing the weapon, called an electromagnetic railgun. The cannon-like railgun uses electricity instead of chemical substances to fire projectiles. A report released earlier this year by the Congressional Research Service stated that the Navy had been developing the railgun as a firing weapon to support U.S. Marines operations. The report said the development also centered on possible use of the railgun as a missile defense system. The move to cancel railgun development comes as the U.S. Department of Defense turns its attention to the development of hypersonic missiles, The Associated Press reports.

Matthew carisLyndonb johnsonJohnf williamsAshley thompsonCourtney callaghanJim poynerGary bassBryan lynnNorman friedmanBryan clarkUs department of defenseUs navy cancels development of highNaval surface warfare centerAssociated pressDahlgren divisionCongressional research service