There are many critiques of the original program, one of the most infamous being that of the [[Union of Concerned Scientists]]. Many criticisms did, however, come from the more neutral scientific and military community.{{fact}}
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Critiques of the original program often had self-contradictory claims, as in claiming it was both impossible and destabilizing. [[Liberals]] almost unanimously criticized the program, such as the [[Union of Concerned Scientists]].