Q&A with John Shannon, Boeing’s SLS vice president and program manager (members only)

The geostationary orbital satellite is the fourth and final in the Geostationary Operational Environmental Satellites-R (GOES-R) series. Liftoff happened at 5:26 p.m. EDT (2126 UTC).

Ground teams lost communication with India’s first lunar landing mission moments before its scheduled touchdown on the moon Friday, and the robotic research craft apparently crashed during final descent.

A United Launch Alliance Delta 4-Heavy rocket stands 233 feet tall at Space Launch Complex-6 at Vandenberg Air Force Base, California, ready for liftoff Saturday night carrying a top secret U.S. government spy satellite into orbit.