The Space Shuttle Challenger Disaster: The History and Legacy of NASA's Most Notorious Tragedy Bradley W. Hart They are grandparents to five

They are grandparents to five boys

Ayn Rand offers an answer that challenges the modern conscience

Drawing from their own experiences

Something neither of us expected

But in the real world

The Space Shuttle Challenger Disaster: The History and Legacy of NASA's Most Notorious Tragedy Bradley W. Hart They are grandparents to five*Includes pictures *Profiles the origins of the mission and what went wrong *Includes online resources and a bibliography for further reading *Includes a table of contents In the decades after the Apollo program, American space shuttles flew over 130 missions and successfully completed over 98% of them, but unfortunately, the two most famous missions were the ones that ended tragically aboard the Challenger and Columbia. The Space Shuttle Challenger