Video: Zoomed in view of ignition of Falcon 9 engines in prelaunch test (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).

Northrop Grumman’s first Mission Extension Vehicle captured spectacular views of the commercial Intelsat 901 communications satellite as it approached for docking this week, providing the first-ever up-close public views of a spacecraft flying near geosynchronous orbit more than 22,000 miles above Earth.

The Atlas 5 rocket blasts off from Vandenberg Air Force Base in California for its late-night ascent to deploy the NROL-42 payload for the National Reconnaissance Office.