NASA Administrator Charles Bolden, left, along with former United States Marine Corps pilot, astronaut, and United States Sen. John Glenn and Gen. John R. Dailey, director of the National Air and Space Museum, right, look around the Fly Marines exhibit at the museum, Wednesday evening, June 27, 2012, in Washington. Bolden spoke later at the 2012 John H. Glenn Lecture in Space History. Photo Credit: NASA/Paul E. Alers
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