This image provided by the Air Force shows an interceptor missile lifting off from Vandenberg Air Force Base, Calif., Dec. 15, 2010 during a test of an anti-ballistic missile defense system. (AP Photo/Vandenberg AFB)
Updated: Thursday, 16 Dec 2010, 6:45 AM EST
Published : Wednesday, 15 Dec 2010, 5:50 PM EST
VANDENBERG AIR FORCE BASE, Calif. (AP) - An interceptor missile launched from California on Wednesday failed to hit a target fired from a Pacific atoll 4,000 miles away during a test of an anti-ballistic missile defense system, the Air Force announced.
The missile, called a ground-based interceptor, lifted off from coastal Vandenberg Air Force Base at 12:03 a.m. and released a device called an Exoatmospheric Kill Vehicle, or EKV, that was to plow into a target missile fired from the Kwajalein Atoll in the Marshall Islands.
The interceptor's sensors worked and the EKV was deployed, but it missed, according to a statement from Rick Lehner, a spokesman for the U.S. Missile Defense Agency.
The cause of the failure will be investigated before another test is scheduled, Lehner said.
It was the fourth launch of a fully operational interceptor from Vandenberg, 130 miles northwest of Los Angeles. The $100 million launch originally was planned for Tuesday, but it was delayed by poor weather.
The missile agency noted that the Sea-Based X-Band Radar, a critical component of the system, performed as planned. The radar, which cost more than $800 million, is mounted on an oceangoing-platform that can sail to any point where the military needs to track missiles. The 280-foot-tall radar can identify baseball-size objects thousands of miles away. It was built by Raytheon Co. for the Boeing Co., the prime contractor on the project.
Ground-based interceptors are in place at Fort Greeley, Alaska, in addition to Vandenberg.
In recent years the military has held a series of tests of technologies to defend against long-range ballistic missiles that might be fired from countries such as North Korea.
Other components of the missile shield could include sea-launched missiles and lasers mounted in planes.
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