Mission updates:
SpaceX: Falcon 9 v1.1 / Thaicom 6 is set for launch today at 22:06 GMT (17:06 EST) from SLC-40, Cape Canaveral.
Orbital Sciences: Antares / Cygnus is set for 8th January at 18:32 GMT (13:32 EST) from Pad 0A, Mid-Atlantic Regional Spaceport, Wallops Island.