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Originally posted by TSR2005
As for #4, Yes, the SR-71 refueled in flight. Since it used a special fuel, dedicated tankers were made, designated KC-135Q. The Blackbird were the only aircraft that could be refueled by them. Refueling in the air was nessesary, since the fuel tanks leaked on the ground. The SR-71 would take off with just enough fuel, fly at high speed to heat and expand the skin and seal the tanks, then drop back drop to subsonic speed to top off it's tanks, which were almost empty. The tankers played a vital role to the success of the SR-71.
Originally posted by thedopeness
Thanks guys, another question I have is:
When you break the sound barrier you create a sonic boom, when you hit twice the speed of sound is another boom created?