Photos: EchoStar 19 launch as seen from press site

A Falcon 9 rocket launching an Argentine Earth-observing satellite streaked across the skies of Southern California on Sunday night, then its booster stage returned to Vandenberg Air Force Base for an on-target landing, the first by SpaceX on the West Coast.

The 50th flight of an Indian Polar Satellite Launch Vehicle delivered 10 spacecraft from five nations into orbit Wednesday, including a new Indian radar surveillance platform and a batch of small commercial Earth observation satellites.

Sierra Nevada Corp. has booked at least six launches on United Launch Alliance’s new Vulcan Centaur rocket to carry Dream Chaser supply ships into orbit on cargo runs to the International Space Station beginning in 2021, becoming the first confirmed customer for ULA’s next-generation launcher.