> And a reliability of 142:143 is not terribly high for a safety-critical system. That's a 50+ years ago flight on a system which was being debugged - unfortun

> And a reliability of 142:143 is not terribly high for a safety-critical system. That's a 50+ years ago flight on a system which was being debugged - unfortunately, too hastily. Parachutes subsystem underwent major rework after that catastrophe, and the follow-up flight history attests to it. One can call it "142:143" only as a first approximation.