In the Kennedy Space Center’s Press Site auditorium, Stephanie Schierholz of NASA Communications, speaks to members of the media during a prelaunch news conference for the SpaceX CRS-15 Commercial Resupply Services mission to the International Space Station. A SpaceX Dragon spacecraft is scheduled to be launched from Space Launch Complex 40 at Cape Canaveral Air Force Station. The SpaceX Falcon 9 rocket will lift off on the company's 15th Commercial Resupply Services mission to the space station.