The countdown for the launch of space shuttle Discovery’s STS-128 mission officially is under way. The count began on-time at 11 p.m. EDT at the T-43 hour mark.
Launch teams are not working any issues that would prevent Discovery’s scheduled launch Tuesday, Aug. 25 at 1:36 a.m. on its 13-day mission to the International Space Station.
Discovery’s seven astronauts have additional mission study time in their overnight schedule before they head into their sleep period at 7 a.m. Saturday. The crew is scheduled to wake up at 3 p.m.
Tune in for the next countdown status briefing on NASA TV on Saturday at 10 a.m.