A Standard Missile-3 Block IIA guided missile failed during a Jan. 31 intercept attempt because the third-stage rocket motor did not ignite during a key test of the Pentagon's newest ballistic missile interceptor, according to a Missile Defense Agency investigation. The findings have prompted the U.S. and Japanese governments to make plans to replace the offending component: a hybrid arm and fire device. On Oct. 1, MDA announced the findings of a failure review board into Flight Test Standard Missile-29...