The Colby books

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North American Air Defense Command

Explains the purpose and describes the operation of the North American Air Defense Command, a joint program of the United States and Canada to guard the North American continent from attack across the North Pole.

North American Air Defense Command

Explains the purpose and describes the operation of the North American Air Defense Command, a joint program of the United States and Canada to guard the North American continent from attack across the North Pole.

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