During this period the German surface force had no impact on the convoy operation.
Thus, as all surface forces point outwards, they do not cancel but add up.
The difference in surface forces makes the water run uphill.
You don't send a surface force against a carrier group by itself, ever!
The surface force alone, active sonar or not, is never going to get us.
"Colson, any speed or course changes by the surface force?"
At least with decoys I might confuse even a large surface force.
Then a small surface force patrolling at the throat of the channel.
There remains only external surface forces on the part that do work.
The undersea fleet would be followed by a surface force second to none.