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By Richelson Jeffrey T.
Jeffrey T. Richelson, 2012
Originally published in 1999, America’s Space Sentinels explored the US national defense capabilities through the lens of the Air Force’s Defense Support Program (DSP) satellite system. This updated edition incorporates significant developments from the last dozen years, focusing on the challenges in developing and launching the follow-on Space-Based Infrared System (SBIRS). The book details the evolution of these vital satellite programs, designed to provide early warning of missile launches globally.