the North American Aerospace Defense Command
/ðə ˌnɔːθ əˌmerɪkən ˌeərəʊspeɪs dɪˈfens kəmɑːnd/
/ðə ˌnɔːrθ əˌmerɪkən ˌerəʊspeɪs dɪˈfens kəmænd/
(abbreviation NORAD)
- a military defence organization established in 1957 by the US and Canadian air forces. It has a large underground base in Cheyenne Mountain near Colorado Springs, Colorado, to provide early warning of air attacks.
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the North American Aerospace Defense Command