Follow Tonight’s Countdown and Launch Online

Cygnus Orbital ATK OA-6 RolloutWe will cover the countdown and launch of the Orbital ATK CRS-6 mission on NASA’s OrbitalATK blog and on NASA TV. Continuous coverage begins at 10 p.m. for the liftoff at 11:05 p.m. of the United Launch Alliance Atlas V rocket carrying the Cygnus spacecraft. We’ll detail the milestones throughout the evening and offer details on the experiments and cargo loaded inside Cygnus and destined for the crew of the International Space Station. Photo credit: Ben Smegelsky