Ground-based Midcourse Defense from The Boeing Company's Integrated Defense Systems Group.
 

Subcontractors:

Bechtel (facilities design and construction)

Lockheed Martin Missiles & Space (booster vehicles)

Northrop Grumman (BMC2)

Orbital Sciences Corporation (booster vehicles)

Raytheon Company (kill vehicles, radars)

Teledyne Brown Engineering (integrated systems testing capabilities and technical services)
 

U.S. Government

U.S. Department of Defense

Missile Defense Agency  MDA is responsible for research, development, testing and evaluation to develop an integrated ballistic missile defense system.. 

U.S. House of Representatives

Appropriations Committee
Armed Services Committee

Appropriations Committee
Armed Services Committee