From then on , the French focused Aiming on creating Creating strong fortified positions , against which Viet Minh General Giáp could pit his forces , culminating in Operation Castor and the Battle of Dien Bien Phu .

The action formed Coming_to_be a minor part of the Atlantic campaign of May 1794 , a campaign Military_operation which culminated Process_end in the battle of the Glorious First of June , and was unusual in that the French ship `` Castor '' had only been in French hands for a few days at the time of the engagement .

`` Castor '' had previously been a British ship , seized Hold on 19 May by a French battle squadron in the Bay of Biscay and converted Change to French service while still at sea .

While the main fleets manoeuvered Hold around one another , `` Castor '' was detached in pursuit of a Dutch merchant ship and on 29 May encountered Hostile_encounter the smaller independently cruising British frigate HMS `` Carysfort '' .

`` Castor '' was subsequently taken Bringing back to Britain and an extended legal case ensued Process_start between the Admiralty and Captain Laforey over the amount of prize money that should be awarded for the victory .