141
Second SpaceX Starship launch ends with explosion. What happens next?
(www.nationalgeographic.com)
This is a most excellent place for technology news and articles.
SRB boosters are quite close to literally just a big steel tube, and they reused them by dropping them into the ocean under a parachute.
They still had to clean out and refurb every booster launched. And that was without the complex rocket engines that would get destroyed by being submerged in the ocean.