Roger Boisjoly, an engineer at Morton Thiokol, which manufactured the Space Shuttle SRBs, later told a hearing into the Challenger accident: "SRM 15 [STS 51-C] actually increased [our] concern ...
PHOENIX--When the shuttle Challenger blew up, the explosion lit a fuse in Roger Boisjoly's conscience. A structural engineer for Morton Thiokol Inc., the firm that later bore blame for the disaster, ...