Mission postponed from 21 December 2015 to obtain additional 10% of chance for success entered to history of space conquest.
Falcon-9 1.2v started its career as first rocket launch vehicle with tested and proven reusable technology. Just ten seconds ago first stage landed on deployed grids on Landing Zone - 1 in Cape Canaveral. Second stage is continuing its flight with OG-2 satellites on atop. Congratulations SpaceX!!!