Safety Concerns Over Two Royal Navy Submarines

According to this TIMESONLINE article two Trafalgar-class British Royal Navy Submarines the HMS Tireless and the HMS Torbay have been banned from operating at sea. Both submarines have had problems with their nuclear reactor’s primary coolant circuit pipes over the last few years with the HMS Tireless having their coolant circuit pipes replaced.

I've crossposted the rest to the "Ultraquiet No More" submarine group blog at this link.