100th Missile Defense Brigade

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100th Missile Defense Brigade

100th Missile Defense Brigade (Ground-based Midcourse Defense), known as 100th MDB (GMD), is a multi-component Army national guard brigade headquartered at Schriever Air Force Base, Colorado. It has component formations located in Fort Greely, Alaska, and Vandenberg Air Force Base, California, manned by national guardsmen of the 49th Missile Defense Battalion, and 100th MDB, Detachment 1, in Alaska and California, respectively, on a round-the-clock 24/7 basis.[1] 100th MDB (GMD) is part of the United States Army Space and Missile Defense Command.

Operational Concept[edit]

The mission of 100th MDB (GMD) is ground-based mid-course defense (GMD) of the United States. A sensor network of satellites, sea-based radars, and land-based radars detect enemy ballistic missile attack by tracking launches, following the trajectories, and determining if these trajectories are headed for the U.S. homeland.[2] Ground-based interceptors (GBI) then intercept these missiles, mid-course.[3] The mission was proven in 2006, 2009, and 2012 by the North Korean Taepodong 2 ICBM launches.[1][4]

Initial formation[edit]

In 2001 George W. Bush notified Russia of plans to withdraw the US from the Anti-Ballistic Missile Treaty. This entailed the development of multiple anti-ballistic missile sites, a restriction of the ABM Treaty. On 30 Sep 2004, the administration deemed the Ground-based Midcourse Defense to be operational. The initial operational capability involved intensive simulation carried out by 100th MDB (GMD), which works with the sensor networks of the Missile Defense Agency.[1]

National Guard participation[edit]

As National Guardsmen, the tempo of personnel replacements are not subject to the three-year cycle of ARFORGEN, allowing the development of long-term expertise over the past decade of training.[1][5]

Notes[edit]