Q&A with Matt Desch, CEO of Iridium (members only)

The launch of the SES O3b mPOWER satellites a day after the Transporter-9 rideshare mission from California. The Boeing-built O3b mPOWER 5&6 satellites launched from Space Launch Complex 40 (SLC-40) at the start of the 89-minute window that opened at 4:08 p.m. EST (2108 UTC).

The mission was the second Falcon 9 launch of the day for SpaceX. Liftoff occurred at 1:21 a.m. PDT (4:21 a.m. EDT, 0821 UTC) from Space Launch Complex 4 East (SLC-4E) at Vandenberg Space Force Base.

SpaceX halted launches for less than a week following an in-flight anomaly. Liftoff of the Starlink 17-33 mission happened at 12:58:09 p.m. PST (3:58:09 p.m. EST / 2058:09 UTC).