Live coverage: Launch of Delta 4-Heavy aborted seconds before liftoff

SpaceX launched a Falcon 9 rocket from Vandenberg Space Force Base, California, with 51 small satellites, hosted payloads, and orbital transfer vehicles heading into polar orbit on the Transporter 7 mission. Liftoff occurred at 11:48 p.m. PDT Friday (2:48 a.m. EDT; 0648 UTC Saturday).

A commercial Dragon cargo capsule wrapped up a four-week stay at the International Space Station on Monday with a departure from the complex at 12:01 p.m. EDT (1601 GMT). The spacecraft splashed down in the Pacific Ocean at 5:48 p.m. EDT (2148 GMT) with several tons of research specimens and equipment.

A collection of pad photos from the United Launch Alliance Atlas 5 rocket flight to deploy the GPS 2F-12 satellite for use by the U.S. military and billions of civilians around the world.