Video: Falcon 9 rocket test-fired at pad 39A (members only)

A SpaceX Falcon 9 rocket launched at 4:25 p.m. EST (2125 GMT) Wednesday from Cape Canaveral with the GovSat 1 communications satellite, a military-grade craft to relay signals for Luxembourg and allied nations. SpaceX’s launch team scrubbed an attempt Tuesday to replace a transducer on the company’s Falcon 9 rocket and wait for improved weather conditions.

United Launch Alliance’s first full-scale Vulcan booster with two Blue Origin BE-4 engines arrived at Cape Canaveral Space Force Station on Saturday, the first time in more than a decade that a core stage from a new family of orbital-class rockets has rolled into the Florida launch facility.

Four astronauts strapped into their SpaceX Crew Dragon capsule, undocked from the International Space Station and plunged to a fiery pre-dawn splashdown in the Gulf of Mexico Sunday, closing out the first operational flight of SpaceX’s futuristic touch-screen ferry ship.