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U.S. Military Is Using Laser Weapons In Battle
Forbes· 4 日前The United States military has invested tens of billions of dollars over a half-century in the ...
Dick Rutan, co-pilot of historic round-the-world flight, dies at 85
Bastillepost· 6 日前Burt Rutan was alarmed to see the plane he had designed was so loaded with fuel that the wing ...