Astronauts prepare for first of two spacewalks[ Sun, 27 Feb 2011 21:20:40 GMT ]The astronauts aboard the orbiting shuttle-station complex geared up Sunday for the first spacewalk of their mission, amid some good news from Mission Control. Flight controllers told Discovery's six astronauts that the shuttle made it through its final liftoff relatively unscathed, and that no further inspections would be needed before undocking next weekend.