Live coverage: Cygnus supply ship arrives at space station

A SpaceX Falcon 9 rocket will launch an Intelsat communications satellite with a NASA-funded air pollution monitor to be positioned over the Americas in 2022, officials announced Tuesday.

Astronauts Doug Hurley and Bob Behnken arrived Wednesday at the Kennedy Space Center, ready for spacesuit and spacecraft fit checks, and some time off with their families before launching next week on the first crewed flight into orbit from U.S. soil since 2011.

Speaking publicly for the first time since a Falcon 9 rocket failure that destroyed a Dragon cargo capsule for the International Space Station, SpaceX founder Elon Musk said Tuesday that engineers are still piecing together what happened during the June 28 accident in hopes of announcing more details within a few days.