Back in 2019 at the Undersea Defence Technology (UDT) conference (in Stockholm) I attended a talk on the Netherlands' navy introduction of Anti-Torpedo Torpedoes (ATTs), and asked a question "Have you considered the effect of Counter Countermeasures (CCM) on the effectiveness of the ATT". The presenter, knowing who I was (as I had just delivered a paper on using machine learning to optimise torpedo homing algorithms, the day before), replied that he would leave that to me.
On returning home I put together a paper on kinematic CCMs to ATTs, based entirely on open source material, and in my own time, in a week or so for the 2020 UDT conference.
Unfortunately, I developed medical problem (Oct 2019) that led to me giving notice of my retirement, and would have made me reluctant to travel for the next UDT conference, and the conference was cancelled anyway (early 2020?) due to the outbreak of a pandemic. So the paper was never delivered.
I have now posted it to my research gate account: PDF of paper is here.
This paper did not go through the full BAE (my employer at the time) vetting procedure (which it would have needed, as if I had delivered it at UDT I would do so as a representative of BAE), but as it was written on my time, and using open sources and I no longer represent BAE in any capacity, it should be OK to release it now. But note this does not necessarily reflect the views of BAE systems, doubly so as I don't know what their current view of ATT CCM are.