I assume they're referring to the Challenger explosion (https://en.wikipedia.org/wiki/Space_Shuttle_Challenger_disaster https://en.wikipedia.org/wiki/Space_Shut

I assume they're referring to the Challenger explosion (https://en.wikipedia.org/wiki/Space_Shuttle_Challenger_disaster https://en.wikipedia.org/wiki/Space_Shuttle_Challenger_disas...), although it's a pretty poor comparison.