The Starlink 15-6 mission will add another 26 satellites into SpaceX’s low Earth orbit constellation. Liftoff occurred from pad 4E at 6:54 p.m. PDT (9:54 p.m. EDT, 0154 UTC).
The Starlink 11-10 mission was the sixth orbital launch from Vandenberg Space Force Base this year. Liftoff from pad 4E happened Monday at 6:09 p.m. PST (9:09 p.m. EST, 0209 UTC).
European engineers test-fired the world’s most powerful present-day single-segment solid rocket booster Monday in French Guiana, clearing a major development hurdle for the Vega-C and Ariane 6 launchers set for debuts in 2019 and 2020.