The Orbital Sciences Corporation Antares rocket is seen on the Mid-Atlantic Regional Spaceport (MARS) Pad-0A at the NASA Wallops Flight Facility on April 16, 2013 on Wallops Island, Va.The rocket is ... more 
The Orbital Sciences Corporation Antares rocket is seen on the Mid-Atlantic Regional Spaceport (MARS) Pad-0A at the NASA Wallops Flight Facility on April 16, 2013 on Wallops Island, Va.The rocket is slated to launch on April 20. less 
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SPACE.com | Photo By NASA/Bill Ingalls
Sat, Apr 20, 2013 5:00 PM EDT