The odds will eventually catch you!... also, when that traffic gets "thin", you have to go hunting... Sometimes, you can use your surface weapons, though I have not tried it myself after the first attempt. I thought I'd jump one of my "new" convoys along the Chinese coastline, and found that this particular one had not only armed sampans, but also three escort vessels
- shallow water to boot, and I had to run run run and finally out-distanced the little escorts, but at the loss of several bridge crew members, as well as the rear deck gun. Never sank a thing in that...
- but it's all part of the peril of 'testing' the mod...