[Stateside Twins' Eyeshot] Ambitions Bring up Wonders
2009-06-15 Author:Ruby Source:Twins days
The Strategic Defense Initiative (SDI) was a proposal by U.S. President Ronald Reagan on March 23, 1983 to use ground and space-based systems to protect the United States from attack by strategic nuclear ballistic missiles. The initiative focused on strategic defense rather than the prior strategic offense doctrine of mutual assured destruction (MAD).
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