[2] Faslane itself was chosen to host these vessels at the height of the Cold War because of its geographic position, which forms a bastion on the relatively secluded but deep and easily navigable Gare Loch and Firth of Clyde on the west coast of Scotland.

[5][6][7][8][9] Commodore J. L. Perks OBE, Commander Submarine Flotilla/(Commodore Submarine Service (COSM))[10] Royal Fleet Auxiliary Royal Marines (UK Commando Force) HMNB Clyde lies on the eastern shore of Gare Loch in Argyll and Bute, to the north of the Firth of Clyde and 25 mi (40 km) west of Glasgow.

It is base to 3,000 service personnel, 800 of their families and 4,000 civilian workers, largely from Babcock Marine, forming a major part of the economy of Argyll and Bute and West Dunbartonshire.

[25] In 2018, the Secretary of State for Scotland at the time, David Mundell said: "The UK’s entire submarine fleet will be based at Faslane by 2020.

This will reinforce Scotland’s vital role in protecting our country, and guarantee skilled, secure jobs on the Clyde for years to come.

"[26] Exercise Evening Star is the annual test of the emergency response routines to a nuclear weapon accident at Faslane.

[28] The MoD, however, argued that it was "entirely misleading" to focus only on the number of incidents, because they include "very minor issues such as the failure to fill out the correct form before painting works began."

"This comprehensive, independent recording process allows Clyde to maintain a robust reporting culture, undertake learning from experience and to take early corrective action," the UK Defence Minister, Philip Dunne, told MPs.

It was a civil resistance initiative to apply critical public pressure for the disarmament of Britain's nuclear weapons.