They're blamed for Challenger's demise
The LIGHTS in your home and office could be to blame  'You're not flying ... 
NASA contractor is still racked with guilt over death of seven crew members ... '
Had they listened to me and wait[ed] for a weather change, it might... [DOC] [TLE] The Space Shuttle Challenger Disaster - Space Safety Magazine [PAR] The Challenger disaster is probably the most significant event in spaceflight 
history for ...