In a conference call with NASA officials the night before Challenger was scheduled to launch, senior engineers including Allan J. McDonald declined to give their go-ahead, arguing that the mission ...

William R. Lucas, a NASA rocket scientist who helped shape the nation's first satellite as well as its first space station, ...

William Ray Lucas, who led the NASA facility that shouldered much of the blame for the 1986 explosion of the space shuttle ...

William Lucas, a key NASA figure during the 1986 Space Shuttle Challenger disaster, has passed away in Alabama at the age of ...

Lucas, a NASA rocket scientist who helped shape the ... the 1986 explosion that killed all seven crew members aboard the Challenger space shuttle, died Feb. 10 at his home in Huntsville, Alabama.

The man who led a NASA facility that shouldered much of the blame for the 1986 space shuttle Challenger explosion has died William Ray Lucas, who led the NASA facility that shouldered much of the ...