The Pentagon's national missile defense system successfully shot down a target missile today in a test the Missile Defense Agency says was not designed with an intercept as a core goal. "Although not a primary objective for the data collection flight test, an intercept of the target warhead was achieved," MDA said in a statement. The intercept test involved the Ground-based Midcourse Defense element of the Pentagon's Ballistic Missile Defense System, which is charged with defending the continental United States...