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![Ballistic Missile Early Warning System - Wikipedia, the free encyclopedia](https://www.iarticlesnet.com/pub/img/site/s_23.jpeg)
Ballistic Missile Early Warning System - Wikipedia, the free encyclopedia
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日期:2024-08-09
The RCA 474L Ballistic Missile Early Warning System (BMEWS, "474L System",[14] Project 474L) was a USAF "Big L"[15] Cold War system of radar, computer, and communications systems that included the first operational ballistic missile detection radar.[citat...看更多