The night before its planned flight coupled the photogenic United Launch Alliance Atlas 5 rocket and a gorgeous sunset at Cape Canaveral.

The United Launch Alliance Atlas 5 rocket, standing 191 feet tall and and weighing 720,000 pounds, unleashes 860,000 pounds of thrust from its main engine at 9:49:51 a.m. local time today to launch the secret NROL-79 payload for the U.S. National Reconnaissance Office from Vandenberg Air Force Base, California.

SpaceX launched the vehicle on a Falcon 9 rocket from Cape Canaveral Space Force Station on Sunday, Sept. 14, at 6:11 p.m. EDT (2211 UTC). It’s scheduled to be berthed to the ISS by NASA astronaut Jonny Kim on Wednesday, Sept. 17.