Live coverage: Delta 2 launches

An Ariane 5 rocket lifted off Thursday at 2345 GMT (7:45 p.m. EDT), flying from a French Guiana launch pad to geostationary transfer orbit with the ViaSat 2 and Eutelsat 172B communications satellites.

Narrated flow tapes of the United Launch Alliance Delta 2 rocket and NASA’s SMAP spacecraft for launch from Vandenberg Air Force Base.

Firefly Aerospace and Aerojet Rocketdyne have announced a strategic partnership to collaborate on rocket propulsion, an agreement that could lead to Firefly’s use of Aerojet’s AR1 engine in a new medium-lift launcher.