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

A week after scrubbing a launch attempt to evaluate an issue with an oxygen sensor, Rocket Lab launched a mission Wednesday to deliver 10 small commercial Earth observation satellites to orbit. Liftoff of the Electron booster from Rocket Lab’s spaceport in New Zealand occurred at 5:21 p.m. EDT (2121 GMT).

SpaceX’s Falcon 9 rocket blasted off Wednesday carrying NOAA’s Deep Space Climate Observatory, the world’s most distant weather satellite heading for a point a million miles from Earth. Launch from Cape Canaveral occurred at 6:03 p.m. EST (2303 GMT).

Completing a fast-track, three-hour pursuit of the International Space Station, a Russian Progress supply ship overcame a last-minute misalignment and autonomously linked up with with orbiting research complex Thursday with nearly three tons of fuel, food and supplies.