Northrop's Tacit Blue stealth research demonstrator made its first flight from Groom Lake — better known as Area 51 — in 1982, eventually making approximately 130 test flights so classified that the U ...
In 1982, Northrop quietly flew a stealth aircraft so radar-invisible the U.S. Air Force later said its radar cross-section was smaller than a bat's. The Tacit Blue "Whale" pioneered the curved-surface ...
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