资讯
Proliferating systems in the European theater will be vital for bolstering NATO and deterring Russian revanchism, as Ukraine ...
Electra has received a small research contract from the Army to mature hybrid-electric propulsion systems the company is ...
The Pentagon’s Defense Advanced Research Projects Agency (DARPA) has selected Bell Textron to build an X-plane demonstrator capable of flying at speeds of up to 450 knots, with the office […] ...
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