Video: NROL-37 payload and Delta 4-Heavy rocket prepped for launch

Carrying more science research gear to the International Space Station than ever launched before by U.S. commercial logistics vehicles, the next Orbital ATK Cygnus freighter takes flight Tuesday.

Revisit Friday night’s blastoff of a United Launch Alliance Atlas 5 rocket from Cape Canaveral with SBIRS GEO Flight 4, the fourth in an upgraded line of U.S. Air Force missile detection and warning satellites.

The most powerful version of United Launch Alliance’s Atlas 5 rocket lifted off from Cape Canaveral at 10:30 a.m. EDT (1430 GMT) today on a three-hour flight to deploy a U.S. Navy mobile communications satellite into orbit. Follow the mission in our live journal.