U.S. missile defense sensor test called successful 07/18/08 19:07:54 A missile launched from Alaska was successfully tracked Friday by land-, sea- and space-based sensors in a test of the Ground-based Midcourse Defense system, the U.S. Missile Defense Agency and the Boeing Co. said. The test demonstrated the most complex integration to date of radars required to support a missile intercept, Boeing said in a statement. The test used a Navy destroyer-based Aegis Long Range Surveillance and Track system in the Pacific; the AN/TPY-2 radar in Juneau, Alaska; the Upgraded Early Warning Radar at Beale Air Force Base, Calif., and the...