Watch a 4K video replay of the Falcon 9 static fire (members only)

Lockheed Martin, the largest U.S. defense contractor, announced late Sunday that it has reached a deal valued at $4.4 billion to acquire Aerojet Rocketdyne, a supplier of engines to NASA’s Space Launch System moon rocket and United Launch Alliance’s Atlas, Delta, and Vulcan rockets.

A three-man crew from Russia, the United States and Italy climbed inside a Soyuz spacecraft and rocketed into orbit Saturday from the Baikonur Cosmodrome in Kazakhstan on course for the International Space Station.

Watch as a Falcon 9 rocket lights its nine Merlin first-stage engines at pad 39A at the Kennedy Space Center in preparation for the 18th launch dedicated to SpaceX’s Starlink broadband satellite venture.