"Numbers matter, as does interceptor quality, but a mix of GBIs and NGIs alone does not provide a comprehensive approach to missile defense," write a trio of retired general officers. "We need to deploy our quality and quantity in a layered defense construct."
The 100th Missile Defense Brigade and the 49th Missile Defense Battalion at Fort Greely train on and operate the Ground-Based Midcourse Defense system for exoatmospheric intercepts against ballistic missiles.
(Archived document, may contain errors) December 28, 1992 A PLAN FOR PRESERVING AMERICA!S MILITARY STRENGTH I pledge to maintain military forces strong enough to deter and when necessary to defeat any threat to our essential interests. Bill Clinton December 12,1991, speech at Georgetown University