Set your clocks! NASA’s #Orion  Spacecraft #firstflight  launch window opens tomorrow December 4 at 7:05am ET!

Originally shared by Sierra Nevada Corporation

Set your clocks! NASA’s #Orion  Spacecraft #firstflight  launch window opens tomorrow December 4 at 7:05am ET! http://www.nasa.gov/multimedia/nasatv/

http://www.nasa.gov/multimedia/nasatv