Live coverage of the countdown and launch of an H-2B rocket and Japan’s fifth H-2 Transfer Vehicle on a resupply flight to the International Space Station. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter.
Delta 4
Live coverage: Delta 4-Heavy launches from Vandenberg Air Force Base
United Launch Alliance’s Delta 4-Heavy rocket lifted off at 11:10 a.m. PST (2:10 p.m. EST; 1910 GMT) Saturday from Vandenberg Air Force Base, California, after a month-long delay to troubleshoot a hydrogen leak in one of its boosters. The heavy-lifter was on a mission to send a U.S. government spy satellite into orbit.
Ariane 5
Live coverage: Ariane 5 rocket launches Europe’s first mission to Jupiter
After the threat of lightning kept the mission on the ground Thursday, Arianespace and the European Space Agency successfully launched an Ariane 5 rocket Friday from Kourou, French Guiana, with the Jupiter Icy Moons Explorer mission, a robotic spacecraft embarking on an eight-year journey to the solar system’s largest planet. Liftoff with ESA’s JUICE spacecraft occurred at 8:14 a.m. EDT (1214 UTC).