U.S. Air Force launches mysterious unmanned space plane

U.S. Air Force launches mysterious unmanned space plane

CBS News

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An unmanned Atlas Five rocket took off from Cape Canaveral Wednesday, putting the most classified plane into orbit. The rocket was built by the United Launch Alliance, a partnership of Lockheed Martin and Boeing. Derrick Pitts, chief astronomer and planetarium director for the Franklin Institute in Philadelphia, joins "CBS This Morning" to discuss the mission.

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