UK's Nuclear Deterrent Under Threat as Royal Navy's Dreadnought Submarines Hit with Cost Delays and Technical Issues The UK's nuclear deterrent is facing a major crisis as the Royal Navy's new Dreadnought-class submarines are experiencing significant cost overruns and technical issues. The £40 billion project, aimed at replacing the Royal Navy's aging Vanguard-class submarines, has been plagued by delays and setbacks, sparking concerns over the nation's ability to maintain its nuclear arsenal. As the UK continues to navigate a complex and ever-changing global landscape, the reliability of its nuclear deterrent has never been more crucial. With the Dreadnought-class submarines now expected to enter service several years behind schedule, the UK's military and politicians are scrambling to address the crisis and ensure the country's nuclear capabilities remain intact.