Aiming for Falcon rocket static fire at Cape Canaveral on the 16th and launch about three days later
— Elon Musk (@elonmusk) December 10, 2015
The rocket will carry 11 Orbcomm satellites. SpaceX has been trying to get two launches off this month, but that might be difficult given the timing of the first one. SpaceX is reportedly going to attempt to bring the first stage back for a landing at Cape Canaveral.