The six astronauts for the next space shuttle mission arrived at the shuttle landing facility at 3:32 p.m. EST on Feb. 20 at NASA’s Kennedy Space Center, Fla., for their prelaunch preparations. Liftoff of shuttle Discovery’s STS-133 mission to the International Space Station is scheduled for 4:50 p.m. on Feb. 24. Discovery’s crew members are Commander Steve Lindsey, Pilot Eric Boe and Mission Specialists Alvin Drew, Steve Bowen, Michael Barratt and Nicole Stott. Crew members made brief comments to media upon arrival. This is Discovery’s last scheduled mission before the Space Shuttle Program retires this year.