On 20th March, Sir Keir Starmer, Prime Minister, and John Healey, Secretary of State for Defence, visited Barrow-in-Furness to join submariners on HMS Vanguard – one of the UK’s four nuclear-powered ballistic missile submarines (SSBNs) – returning from over 200 days at sea, one of the longest ever deployments for the Royal Navy’s nuclear armed submarines. (Britain’s World.)