A U.S. missile defense interceptor destroyed a target during a June 22 test of the nation's primary missile shield, marking the first success in the last four tries for the system. The test, the first successful intercept for the newest variant of the kill vehicle that tops the Ground-based Midcourse Defense boosters, opens the door to U.S. President Barack Obama's plan to bolster U.S. defenses against a North Korean missile attack.
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