NASA uses heat lamps to dry out the tiles. Extra water means extra weight.
All missions are tentative and subject to change.
Midnight is 0000 and noon is 1200 hours. Launch times are rounded down to the closest minute. ISS indicates an International Space Station assembly flight. Changes and Dates Under Review NASA has revised the launch schedule once again, but most dates are still under review. In 24-hour time, midnight is 0000 hours, and noon is 1200 hours.