حمل بارهای فله‌ای بیشتر از ۳۲ کیلومتر می‌تواند مقرون به صرفه باشد.In Environment War II, the Germans deployed the Me 163 Komet rocket-driven plane. The very first aircraft to interrupt the audio barrier in stage flight was a rocket airplane – the Bell X-1 in 1948. The North American X-15 bro