Today, an early US nuclear monopoly continues to erode with every additional nation that acquires nuclear weapons. It can not be ignored that the growing American vulnerability to such weapons is in part compliments of the United States. It was the United States that demonstrated the feasibility of nuclear weapons and paid the tremendous nonrecurring development costs to do so. It was from the United States that atomic secrets leaked to its chief adversary. In general, the growing fraternity of nuclear powers benefited from American hindsight and experience. It ought to be expected that the same thing could be repeated should the United States accelerate development of advanced space weapons.

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Ziegler, David W. Safe Heavens: Military Strategy and Space Sanctuary Thought. Maxwell AFB, AL: USAF Air University, June 1997. [ 9 quotes ]