Two astronauts floated outside the International Space Station Monday for NASA’s third spacewalk in less than three weeks for more battery replacement work and installation of cables.

A powerhouse communications satellite owned by Inmarsat has been fueled for liftoff on a SpaceX Falcon 9 rocket Monday from the Kennedy Space Center in Florida on a mission to provide broadband links for passengers and crews aboard ships and airplanes, while technicians are loading space station-bound supplies into a commercial Dragon cargo capsule and preparing a Bulgarian telecom for launch on two other SpaceX boosters by mid-June.

This detailed mission timeline covers major vehicle and crew activities during the Crew-2 countdown and rendezvous with the International Space Station.