Orion Scheduled to Launch atop a Delta IV Heavy Rocket from Cape Canaveral Air Force Station's Space Launch Complex Flight Test; a Two-orbit, Four-Hour Flight Safety Check • THU DEC 03, 2014 4:48 PM CT

RT @SpaceflightNow: Fog bank envelopes the Vehicle Assembly Building @NASAKennedy night before #Orion test flight pic.twitter.com/qw8BYtPBTR
— The Weather Channel (@weatherchannel) December 3, 2014

#NASASocial Group Photo INSIDE the #Orion communications center @NASAGoddard @NASA_TDRS pic.twitter.com/qlAxwgJdti
— NASA Goddard (@NASAGoddard) December 3, 2014

#Orion will orbit 28.8° to equator Thurs morning (3600 mi from Earth at high point). #ISS orbits 51.6° (~250 miles). pic.twitter.com/rIYjMDGz7C
— Intl. Space Station (@Space_Station) December 3, 2014

Tomorrow's #Orion test flight is another major step in NASA's #JourneyToMars. http://t.co/asMN6TkKox pic.twitter.com/6p8bDRo7O2
— NASA Solar System (@NASASolarSystem) December 3, 2014