The top uniformed official responsible for defending the nation against North Korean ballistic missile attack threw cold water this week on the Missile Defense Agency's push for adding an "underlayer" to the Ground-based Midcourse Defense system, arguing the proposal to add the Standard Missile-3 Block IIA is too expensive and too narrowly focused given the range of potential air threats that need to be addressed. On April 14, Gen. Glen VanHerck, head of U.S. Northern Command and the bi-national North...
