Yeah, sorry about those Upholders...
I mean, the class itself is sound, it's just...well...when you leave them out in all weathers for a few years...
Then again, it seems that the Oberons must have cursed their replacements because the Aussie Collins boats had a few teething issues too, and they were home-built. Only in the Commonwealth though, because Brazil and Chile haven't had problems with their 209 and Scorpéne.