The front-line missile defense system deployed to Guam in 2013 to protect strategic U.S. military capabilities on the Pacific island -- including bombers and submarines -- has not been operationally tested against the main threat it is there to defeat, an intermediate-range ballistic missile, and the Missile Defense Agency does not now plan such a test until 2017, possibly 2018. The Government Accountability Office, in its annual audit of the $161 billion Ballistic Missile Defense System managed by the agency,...
