2020 incident comes to life of collision.

HMS Northumberland gets up close with a Russian submarine, and the incident of the warship colliding with a Russian submarine in 2020.

https://www.navylookout.com/hms-northumberland-gets-up-close-with-a-russian-submarine/

https://www.newsnpr.org/the-uk-revealed-the-incident-of-the-warship-colliding-with-a-russian-submarine/

The only Northern Fleet nuclear submarine to complete a deployment in 2020, K-335 is the reported top candidate for the interaction with HMS Northumberland. 'Gepard' (Cheetah) completed an 88-day deployment resulting in 13 state awards to the crew.