Laurent; and Flower-class corvette Dauphin ed the group. Their s allowed the older escorts time to refit with modern sensors like centimeter radar and modern anti-submarine weapons like the Hedgehog projector.
Croix was replaced by Town-class destroyer Churchill and Flower-class corvette Arvida was replaced by corvettes Brandon and Collingwood. Convoy HX lost one ship torpedoed by U The new River-class frigate Jed ed the group.
Francis was replaced by Town-class destroyer St. Destroyers replaced by new frigates were formed into mobile support groups able to move rapidly to convoys coming under attack. Croix sank U