French forces in the Channel and Biscay ports include destroyer squadrons, torpedo boats, sloops, and submarine divisions. Together they form a substantial sea-denial force intended to help the Royal Navy secure the English Channel and prevent enemy use of its waters. The sloops also provide useful additional convoy escorts. These formations give the French contribution practical value below the level of the battle fleet.
Notable Point · 29:24-30:29
Channel and Biscay forces combine sea denial with escort work
French sloops, destroyers, torpedo boats, and submarines were a layered Channel and Biscay force, not merely auxiliaries to the battle fleet.