STS030-S-108 (4 May 1989) --- Backdropped against slight gray Florida skies, Space Shuttle Atlantis heads for a four-day mission in earth orbit with five astronaut crewmembers aboard. Onboard were astronauts David. M. Walker, Ronald J. Grabe, Norman E. Thagard, Mary L. Cleave and Mark C. Lee. Launch occurred at 2:46:58 P.M. (EDT), May 4, 1989.