January 1942. A slow convoy of 33 ships sets sail from Britain enroute to Gibraltar. Escort Group [REDACTED] has been assigned to shepard this wayward flock. Local escort groups are expected in the first and last days of the voyage. Nine days of danger are ahead.
Naval Intelligence estimates that between seven and eleven enemy submarines are at sea and ready to oppose this convoy. In addition to the Kreigsmarine, Italian submarines may also be in the North Atlantic.