Pentagon wants more regular testing after failed missile test

By Andrea Shalal-Esa WASHINGTON (Reuters) - U.S. defense officials affirmed their commitment to a $1 billion expansion of a Boeing Co ground-based missile defense system despite a test failure this month, but called for more regular testing to get a grip on nagging quality control issues. James Miller, undersecretary of defense for policy, and Missile Defense Agency Director Vice Admiral James ...