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Military Space Programs: Issues Concerning DOD’s SBIRS and STSS Programs

Abstract : The Department of Defense's (DOD's) programs to develop new satellites to alert U.S. military commanders to foreign missile launches, and to support missile defense objectives, are controversial because of cost growth and schedule slippage. SBIRS-High, managed by the Air Force, would replace existing Defense Support Program "early warning" satellites. The Space Tracking and Surveillance System (STSS, formerly SBIRS-Low), managed by the Missile Defense Agency, would perform missile tracking and target discrimination for missile defense objectives. Despite a restructuring in 2002, the SBIRS-High program is encountering additional delays and cost increases.