In March 2014 the MoD admitted there was a minor concern about the integrity of the nuclear reactors which power Vanguard class submarines. As a precaution, HMS Vanguard currently in refit at Devonport has been given a second new reactor core. This week the government quietly announced that technical assessments have now concluded this procedure will not be necessary for the other three boats. | Navy Lookout
Almost a year ago we reported that none of the RN’s attack submarines (SSNs) were at sea. There has been only limited SSN activity since but here we summarise the current situation and look forward to improving future availability.| Navy Lookout