Nuclear Submarine Crash.In 2017, The US Central Intelligence Agency (CIA) released a de-classified document between US NSA Advisor Brent Scowcroft and US Secretary of State Henry Kissinger, issued in 1974, alerting him of a collision between the USS James Madison (A Poseidon SLBM Nuclear Missile Submarine) and a Soviet Victor Class Attack Submarine just outside the US Navy Submarine base at Holy Loch, Scotland on 3rd November 1974.
