 He then was appointed to the "Intrepid" (formerly the French ship "Serieux", 64 guns), under Captain Pratten again.Promotion to captain eventually came on 5 April 1757, briefly in command of the new frigate "Richmond", then from the end of 1757 in command of HMS "Diana", 32 guns.In the "Diana" he played a distinguished part in the taking of Louisburg in 1758 (taking the fleet's commander in Edward Boscawen in close to reconnoitre the coast, covering the landing and taking command of a party of seamen landed to man the batteries) and Quebec in 1759/60 (bombarding the shore under Charles Saunders and repulsing a French attempt to regain the city), and was a close associate of James Wolfe.