Live coverage: Delta 2 launches

The mobile service tower retracts from the Atlas 5 rocket, revealing the 191-foot-tall vehicle for liftoff from Vandenberg Air Force Base, California, carrying the classified NROL-79 national security payload for the U.S. government.

Views of the Dec. 12 launch of a United Launch Alliance Atlas 5 rocket from up-close remote cameras placed near the booster’s launch pad at Vandenberg Air Force Base in California.

A SpaceX Falcon 9 rocket lifted off from Cape Canaveral at 10:30 p.m. EDT Thursday (0230 GMT Friday). The 229-foot-tall launch vehicle delivered 60 satellites to orbit to begin the deployment of SpaceX’s Starlink Internet network, a fleet of spacecraft that may eventually number thousands.