His impressive career spanned over three decades, during which he commanded several ships and played a key role in several significant battles.

He sailed to Jamaica in December of that year and played a key role in the naval campaign against the French.

Douglas was promoted to Captain 5 April 1779 [1] and took command of HMS Terrible which he led to victory at the Moonlight Battle near Cape St. Vincent 16 January 1780.

After the American Revolutionary War, Douglas continued to serve in the Royal Navy, commanding several ships and participating in various naval campaigns.

His contributions to the Royal Navy and his role in shaping British naval history are still celebrated today.