Russian commander Anton Shkaplerov, NASA flight engineer Scott Tingle and Japanese astronaut Norishige Kanai docked with the International Space Station Tuesday at 3:39 a.m. EST (0839 GMT), two days after blastoff from the Baikonur Cosmodrome in Kazakhstan.

SpaceX’s first launch of 2018 blasted off at 8 p.m. EST Sunday (0100 GMT Monday). A Falcon 9 rocket took off from Cape Canaveral with a mysterious U.S. government payload known as Zuma, and the first stage returned to landing on Florida’s Space Coast around eight minutes later.

A Brazilian television broadcasting satellite and Europe’s next weather observatory packaged atop an Ariane 5 rocket lifted off at 2142 GMT (5:42 p.m. EDT) Wednesday from Kourou, French Guiana.