DARPA tests mid-air collision avoidance system 0 06.04.2016 22:06 United Press International (UPI.com) Richard TomkinsARLINGTON, Va., April 6 (UPI) -- A new shoebox-sized plug-and-play system for aircraft to detect and avoid mid-air collisions successfully completed its first flight test. Партнёры Smi24.net Все новости за 24 часа Музыкальные новости Агрегатор новостей 24СМИ