Live coverage: Two satellites lift off aboard Ariane 5

Three new space station residents blasted off Wednesday on a fast-track six-hour pursuit of the orbiting research complex, kicking off five months in space. The U.S.-Russian-Japanese space crew lifted off at 2102 GMT (5:02 p.m. EDT) from the Baikonur Cosmodrome in Kazakhstan, and docking occurred 0245 GMT (10:45 p.m. EDT).

After scrubbing a countdown Saturday to review sensor data, Rocket Lab launched its first mission of 2021 from New Zealand at 2:26 a.m. EST (0726 GMT) Wednesday. The company’s light-class Electron rocket carried a super-secret payload for OHB, a German-headquartered satellite manufacturer.

A European environmental satellite launched Tuesday from Russia’s Plesetsk Cosmodrome to begin a mission of at least seven years measuring the height, color and temperature of the world’s oceans. The Sentinel 3A spacecraft lifted off aboard a Rockot booster at 1757 GMT (12:57 p.m. EST).