NASA's Orion spacecraft, mounted atop a United Launch Alliance Delta IV Heavy rocket.

December 4, 2014

NASA’s Orion spacecraft, mounted atop a United Launch Alliance Delta IV Heavy rocket, is visible inside the Mobile Service Tower where the vehicle is undergoing launch preparations, Wednesday, Dec. 3, 2014, Cape Canaveral Air Force Station's Space Launch Complex 37, Florida. Orion is NASA’s new spacecraft built to carry humans, designed to allow us to journey to destinations never before visited by humans, including an asteroid and Mars.

Credit

NASA/Bill Ingalls

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