Live coverage of Delta 4 countdown and launch

A United Launch Alliance Delta 4-Heavy rocket lifted off from Vandenberg Air Force Base in California at 1:47 p.m. PDT (4:47 p.m. EDT; 2047 GMT) Monday with a classified satellite for the National Reconnaissance Office, the U.S. government’s spy satellite agency.

Boeing’s Starliner crew capsule could take off in October on its first unpiloted test flight to the International Space Station, a company official said recently, while SpaceX finishes up the investigation into the explosion of its Crew Dragon spacecraft during a ground test earlier this year.

An automated logistics vehicle packed with nearly five tons of supplies reached the International Space Station on Monday after a laser-guided rendezvous culminating with grapple of the HTV cargo craft by the station’s robotic arm at 1028 GMT (6:28 a.m. EDT).