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To answer Harley's question. As a retired Coastie, I have used the chainsaw to cut up fiberglass boats.
Those that are in real "bad" shape, (this one with a saturated foam core for example) are usually cut up so the boating public cannot injure themselves and the govt does not want the liablity. Imagine buying an ex Coast Guard boat and hurting or killing your family. Does not sound to good.
We towed a 30' from Cape Canaveral to Jacksonville, picked it up on the travellift, set it on land and when I was done, it all fit in a dumpster. The boat was in bad shape, when the USCG gets done with a boat, it usually is. The USCG gets US Navy hand me downs, and they keep it going for as long as 60 years. The USN only gets new boats. The USCG gives the public their tax dollars worth. It is cut up after a survey is made. Bad enough, it is made unfit for the public.