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A Cold War-era missile motor cast with solid propellant in 1966 fired up for the first time Wednesday to catapult a Northrop Grumman Minotaur 1 rocket off a launch pad in Virginia with three small spacecraft for the U.S. government’s spy satellite agency.

A fresh GPS navigation beacon destined to replace a nearly 17-year-old satellite rode into orbit from Cape Canaveral on top of a SpaceX Falcon 9 rocket Thursday, marking the first time risk-averse U.S. military space officials have agreed to launch a national security mission on a reused commercial booster.

Three Chinese astronauts floated into the country’s new Tiangong space station Thursday, becoming the first people to board China’s outpost in orbit after a successful launch from a military base in the Gobi Desert to start a three-month mission.

Three Chinese astronauts launched at 9:22 p.m. EDT Wednesday (0122 GMT Thursday) aboard the Shenzhou 12 spacecraft. A Long March 2F rocket blasted off from northwest China and successfully carried the astronauts into orbit, setting the stage for their docking at the Tiangong space station about six hours later.

Two veteran Chinese astronauts and a first-time space flier will be the first crew members to live and work aboard China’s new space station after launching Wednesday from a remote spaceport in the Gobi Desert.