WHAT AWESOME SOUNDS LOCKHEED U-2 DRAGON LADY SPY PLANE SMASHING OUT CIRCUITS - 99TH ERS RAF FAIRFORD - YouTube

The U-2S pilot must wear a pressure suit to withstand the high altitudes in excess of 70,000 ft.,where he can plainly see the curvature of Earth.Although the U-2 can avoid many air defence systems at high altitude,it is not completely invulnerable to all of them.Both launch and landing require chaser vehicles.Technology refreshes have kept the U-2 relevant.First introduced in 1956,it is an unparalleled Intelligence,Surveillance and Reconnaissance (ISR) asset to this day.