Share February, 2015Nearly 30 years after the space shuttle Challenger disaster, Allan McDonald is on a mission to prevent it from ever being forgotten. McDonald, director of the shuttle solid rocket motor project at the time of the incident, is one of the few engineers who vehemently opposed NASA’s decision to launch the shuttle on Jan. 28, 1986. Would you like to access the complete CEP Article? No problem. You just have to complete the following steps. You have completed 0 of 2 steps. Log in You must be logged in to view this content. Log in now. AIChE Membership You must be an AIChE member to view this article. Join now. Copyright Permissions: Would you like to reuse content from CEP Magazine? It’s easy to request permission to reuse content. Simply click here to connect instantly to licensing services, where you can choose from a list of options regarding how you would like to reuse the desired content and complete the transaction.