Space ShuttleNASA launches Space Shuttle Discovery on the first of only three 1999 shuttle flights, a ten-day mission to continue preparing the International Space Station for full-time duty. 80 hours are spent inside the station, transferring supplies into the existing modules for future crews, and spacewalks are conducted to perform necessary tasks outside the station. Aboard Discovery for her 26th flight are Commander Kent Rominger, Pilot Rick Husband, and mission specialists Ellen Ochoa, Tammy Jernigan, Daniel Barry, Julie Payette and Valery Tokarev.