The survivors of the French fleet were scattered Dispersal across the Mediterranean , several sheltering in neutral Italian harbours , including the frigates `` Modeste '' at Genoa and `` Impérieuse '' at Leghorn .

On the western flank , the 1st Battalion , Hampshire Regiment captured Conquering Arromanches ( future site of one of the artificial Mulberry harbours ) , and 69th Infantry Brigade on the eastern flank made contact Connect with the Canadian forces Military_operation at Juno .

The action formed Becoming part of the blockade Besieging of the French Biscay ports during the war Hostile_encounter by the British Royal Navy , a strategy designed Creating to prevent Preventing_or_letting ships from entering Arriving or leaving Departing French harbours , thus eliminating Removing foreign trade Exchange with France and damaging Damaging the French economy as well as cutting Removing France off from her overseas colonies .

`` Thétis '' had not even cleared Emptying the French coast when she was discovered Know by a patrolling British frigate of the inshore squadron , a unit tasked Confronting_problem with watching Scrutiny the entrance to the French Biscay ports , principally Brest , and intercepting Preventing_or_letting any ships seeking to enter Arriving or leave Departing the harbours .

When this fleet failed to put Motion to sea , the Rochefort squadron , under Contre-Admiral Zacharie Allemand , went on an extended Expansion raiding cruise Attack across the Atlantic , both to intercept Attack British trade left Departing lightly defended Defending by the concentration of British forces Causation in European waters and with the intention of eventually combining Creating with the French Mediterranean Fleet then blockaded Besieging in Spanish harbours .

The capture Conquering of the island was a significant blow to French power in the region , eliminating Destroying an important naval base and denying safe harbours to French shipping Self_motion in the region .

To meet Response the conditions expected on the Normandy beachhead , special technology was developed Coming_to_be , including two artificial ports called Mulberry harbours and an array of specialised tanks nicknamed Name_conferral Hobart 's Funnies .

Linois raided Attack British shipping lanes and harbours across the region , achieving Achieve limited success against undefended merchant ships but repeatedly withdrawing Escaping in the face of determined opposition , most notably at the Battle Hostile_encounter of Pulo Aura in February 1804 .