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Second SpaceX Starship launch ends with explosion. What happens next?
(www.nationalgeographic.com)
This is a most excellent place for technology news and articles.
The SRBs used on the final shuttle mission were the same boosters used on the first mission. That set was used a total of 60 times. Only 2 sets of boosters were never recovered for re-use. The set from STS-4 had a parachute malfunction, and the set from the Challenger exploded.