Space ShuttleSpace Shuttle Discovery lifts off for an eight day Spacelab mission, with an multi-national crew participating in “IML-1” (International Microgravity Laboratory) experiments. Discovery’s crew for this flight consists of Commander Ronald Grabe, Pilot Stephen Oswald, mission specialists Norman Thagard, David Hilmers, and William Readdy, and payload specialists Roberta Bondar and Ulf Merbold.