Ground-Based Midcourse Defense, previously National Missile Defense, is an anti-ballistic missile system implemented by the United States of America for defense against ballistic missiles, during the
A Ground-Based Interceptor loaded into a silo at Fort Greely, Alaska in July 2004.
Prototype of the Exoatmospheric Kill Vehicle
Sea-based X-band Radar platform arriving in Pearl Harbor in January 2006.