National Security Space Defense and Protection: Public Re...
National Academies of Sciences Engineeri / Division On Engineering And Physical Sci / Committee on National Security Space Def
It is not yet 60 years since the first artificial satellite was placed into Earth orbit. In just over a half century, mankind has gone from no presence in outer space to a condition of high dependence on orbiting satellites. These sensors, receivers, transmitters, and other such devices, as well as the satellites that carry them, are components of complex space systems that include terrestrial elements, electronic links between and among compo...