Crew-11 will send NASA astronauts Zena Cardman and Mike Fincke, along with Kimiya Yui of JAXA (the Japan Aerospace Exploration Agency) and cosmonaut Oleg Platonov to the ISS for a roughly six-month stay. Cardman is the mission's commander, Fincke is the pilot and Yui and Platonov are mission specialists.

The NASA TRACERS mission is set to launch on Wednesday atop a SpaceX Falcon 9 rocket after SpaceX postponed Tuesday's launch due to "airspace concerns."

CAPE CANAVERAL, Fla. -- Thick clouds prompted SpaceX to call off Thursday’s planned launch of four astronauts to the International Space Station for NASA. The countdown was halted at the one-minute, 7-second mark. SpaceX's next launch attempt from Kennedy Space Center is Friday, although the weather forecast is less favorable.