Former United States Senator John H. Glenn, Jr. (Democrat of Ohio) talks by satellite to the crew on board the International Space Station February 20, 2002 at NASA headquarters in Washington, DC. Glenn stopped by NASA to commemorate the 40th anniversary of his historic Mercury orbital flight. On February 20, 1962, Glenn became the first American to orbit the Earth, hurtling around the globe three times in a flight that lasted nearly five hours..Mandatory Credit: Bill Ingalls / NASA via CNP
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