The launch readiness review for SpaceX’s 21st Commercial Resupply Services (CRS-21) mission to the International Space Station has concluded, and the prelaunch news conference is set for 4 p.m. EST today, Dec. 4, from NASA’s Kennedy Space Center in Florida. Watch live on NASA TV or the agency’s website.
Participants include:
- Kenny Todd, deputy program manager, International Space Station Program Office
- Kirt Costello, chief scientist, International Space Station Program Office
- Sarah Walker, director, Dragon Mission Management, SpaceX
- Melody Lovin, launch weather officer, U.S. Air Force 45th Space Wing
Liftoff of the Falcon 9 rocket and cargo Dragon spacecraft is scheduled for 11:39 a.m. EST tomorrow, Dec. 5, from Kennedy’s Launch Complex 39A. Weather officials with the U.S. Air Force 45th Space Wing are predicting a 50% chance of favorable weather conditions for launch. Primary weather concerns are the cumulus cloud rule and the thick layer cloud rule.