Science: A New Life for a High-Flying Bird

At the "Skunk Works, "a successor to the U-2 takes shape

Though it was designed in 1954, it is still the world's highest-flying single-engine aircraft, capable of soaring more than 15 miles above the earth at speeds up to 530 m.p.h. Until one was brought down by a Soviet missile in 1960, causing a dramatic cold war confrontation, U-2s regularly flew over the Soviet Union, looking for signs of military buildup. About 30 U-2s are still in service, but a new version of the old bird, called the TR-1, is about to rise out of...

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