'I could have done more. I should have done more': Thirty years after the Challenger explosion, NASA contractor is still racked with guilt over death of seven crew members

Bob Ebeling, 89, was one of fourengineers working for NASA contractor Morton Thiokol who warned against launching Challenger in 1986

However, the space agency overruled them and decided to press forward with the launch anyway, sending seven crew members to their death

Thirty years after the disaster, Ebeling says he continues to blame himself for not lobby harder for a postponed launch 

'Had they listened to me and wait[ed] for a weather change, it might have been a completely different outcome,' Ebeling told NPR

Read more: http://www.dailymail.co.uk/news/article-3422732/I-Thirty-years-Challenger-explosion-NASA-contractor-racked-guilt-death-seven-crew-members.html#ixzz3yeQuwUGk