Live coverage: 400th Proton rocket takes off with Russian satellite

A Russian automated cargo craft loaded with nearly three tons of fuel, supplies, water and air is set for launch from Kazakhstan at 2141 GMT Saturday on a mission to replenish stockpiles aboard the International Space Station.

SpaceX’s next Falcon 9 rocket launch, using a previously-flown first stage booster, took a step closer to liftoff Thursday with a countdown rehearsal culminating in ignition of the launcher’s nine Merlin main engines in a hold-down firing at pad 39A at NASA’s Kennedy Space Center in Florida.

OneWeb’s next 36 internet satellites stacked on top of a Soyuz rocket lifted at 10:47 p.m. EDT Wednesday (0247 GMT Thursday) from the Vostochny Cosmodrome in Russia’s Far East.