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The Army has made changes to how its helicopters use a safety system that broadcasts aircraft location and has reduced the ...
NASA is developing aircraft with Distributed Electrical Propulsion systems with power sources not connected to electric ...
National Security Journal on MSN37 分钟
The U.S. Air Force’s F-111 Aardvark Was a Force to Be Reckoned WithThe Aardvark is a funny-looking beast with a long snout that hoovers up food with a pig-like body and thick hide to stymie ...
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