MECO-2
T+plus 27 minutes, 39 seconds. The second main engine cutoff, or MECO-2, is confirmed for Centaur, completing the next step towards the targeted orbit to deploy SBIRS GEO 6. The rocket now begins a two-and-a-half-hour coast away from Earth to reach the proper point in space for the day's third burn by the upper stage to optimize the orbit for payload release.