NASA Communications’ Megan Cruz moderates a SpaceX 24th commercial resupply services mission prelaunch news conference at Kennedy Space Center in Florida on Tuesday, Dec. 20, 2021. Participants included Joel Montalbano, manager, International Space Station Program; Dr. Bob Dempsey, acting deputy chief scientist, International Space Station Program; Sarah Walker, director, Dragon mission management, SpaceX; and Arlena Moses, launch weather officer, 45th Weather Squadron, Cape Canaveral Space Force Station. Liftoff of the SpaceX Falcon 9 rocket with the company’s Dragon spacecraft on board is targeted for Tuesday, Dec. 21, 2021, at 5:07 a.m. EST. The mission will deliver new science investigations, supplies, and equipment to the crew on board the International Space Station.