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US Midcourse Missile Defense system Failed test

By Kenneth Kesner

January 31, 2010, 9:29PM

HUNTSVILLE, AL -- While both the target and interceptor missiles were successfully launched this afternoon during a test of the Ground-based Midcourse Defense system, there was not an intercept, according to a statement late GBI GMD missileVandenburg Air Force BaseA ground-based interceptor - like this one launched in an earlier test - did not intercept the target during a test of the Ground-based Midcourse Defense system Sunday, according to the Missile Defense Agency.tonight from the Missile Defense Agency.

两个导弹都发射了,但没有拦截成功。

The target missile lifted off about 3:40 p.m. Pacific Standard Time from the Army's Ronald Reagan Test Site at Kwajalein Atoll in the Marshall Islands. About six minutes later, a Ground-Based Interceptor was launched from Vandenberg Air Force Base in California to find, hit and destroy the target.

进攻导弹从太平洋小岛发射,拦截导弹在6分钟后从加利福尼亚发射。

The MDA said both missiles "performed nominally after launch. However, the Sea-Based X-band radar did not perform as expected.

"Program officials will conduct an extensive investigation to determine the cause of the failure to intercept."

The Sea-Based X-band Radar is part of the network of sensors that helps identify and track incoming missile threats, providing information to commanders and the responding interceptor missiles.

海基 X-band 雷达出现问题,正在调查原因。

Boeing is prime contractor for the GMD program, with industry partners including Raytheon, Orbital Sciences and Northrop Grumman. Lockheed Martin and Raytheon are among the companies here also working on other elements of the U.S. missile defense system.

波音是GMD的主要承包商,还包括其它几个合作者:Raytheon,Orbital Sciences和Northrop Grumman。Lockheed Martin 和 Raytheon生产导弹防御系统的其它部件。

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