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 ...
The Pentagon’s Defense Innovation Unit (DIU) is expanding its Blue small unmanned aerial system (sUAS) effort to include larger aircraft. The Blue sUAS programme includes aircraft with less than 1.4 ...
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