Raytheon Anti-Missile Warhead Has Guidance Flaw, MDA Says

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The latest model of a Raytheon Co. anti-missile warhead failed in the final seconds of a $300 million flight test last December because of a “guidance error,” according to the U.S. Missile Defense Agency.

The warhead “successfully selected the correct target object, but a guidance error occurred in the final seconds before the planned intercept,” said MDA spokesman Richard Lehner in an e-mail statement.