I played it again a few days ago.
One difference I had when I played it was that I had plenty of contacts on the hull array, which made things easier for me. I did have to rotate TA trackers.
The way it basically played out for me was I had two obvious neutrals to the north and northeast, a PROSUB to the northeast, and contacts of interest mixed with possible neutrals to the northwest. After I had initial solutions on the two neutrals (fishing boat and cargo ship), they received maybe one TMA update every half hour at the most. The PROSUB got a TA tracker whenever it was present on sonar and the rest I just tried to manage.
It took awhile to make sense of the northwest contacts because they overlapped, but eventually a trawler separated himself and became obvious, and the bearing separation of the two escorts became enough to work with. I'd say in maybe 30-45 minutes it was apparent that the target formation was two escorts line abreast with the submarine centered behind it. I used a northerly course to do an end-run around the escorts to hold the SSBN at risk until the order came.
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