America’s Homeland Missile Defense System Has A Problem.

America’s Homeland Missile Defense System Has A Problem.

If North Korea ever unleashed nuclear-armed missiles against America, the defense of U.S. cities and towns would depend to no small degree on something called a divert thruster.


These small rocket motors would be counted on to keep U.S. anti-missile interceptors on target as they hurtled through space toward the incoming warheads.


If the thrusters malfunctioned – and they have a record of performance problems – an interceptor could veer off-course, allowing a warhead to slip through. The consequences could be catastrophic.


So a lot was at stake when the Pentagon’s Missile Defense Agency conducted the first flight test of a new and supposedly improved version of the thruster on Jan. 28.


An interceptor launched from Vandenberg Air Force Base in California was to make a close fly-by of a mock enemy warhead high above the Pacific. The interceptor’s four attached thrusters would provide precision steering.


The missile agency issued a news release that day touting a “successful flight test.” The agency’s lead contractors were no less effusive. Aerojet Rocketdyne Inc., maker of the thrusters, said the new model “successfully performed its mission-critical role.”


Raytheon Co., which assembles the interceptors, said the “successful mission proved the effectiveness of a recent redesign of the … thrusters, which provides the control necessary for lethal impact with incoming threats.”


In fact, the test was not a success, the Los Angeles Times has learned. One of the thrusters malfunctioned, causing the interceptor to fly far off-course, according to Pentagon scientists.


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