Atlas/Cygnus pre-launch news conference

With his year in orbit at an end, Expedition 46 commander Scott Kelly hands command of the International Space Station to Expedition 47 commander Tim Kopra.

The commercial SpaceX Dragon cargo-delivery craft with the experimental BEAM module — the Bigelow Expandable Activity Module — arrives at the International Space Station two days after launching from Cape Canaveral.

NASA’s Perseverance rover, contained inside its aeroshell for a searing plunge into the Martian atmosphere next year, has been cocooned inside the payload shroud of its Atlas 5 launcher and mated with the rocket ahead of liftoff from Cape Canaveral scheduled for July 30.