Jennifer Scott Williams, manager for the Applications Client Support Office for the International Space Station Program, participates in a prelaunch news conference for SpaceX’s 23rd commercial resupply services mission at NASA’s Kennedy Space Center in Florida on Aug. 27, 2021. The mission will deliver new science investigations, supplies, and equipment to the crew aboard the orbiting laboratory. Liftoff of the Falcon 9 rocket and Dragon spacecraft is scheduled for 3:37 a.m. EDT on Saturday, Aug. 28, from Kennedy’s Launch Complex 39A.