Admiral of the Fleet Sir Provo William Parry Wallis, was a Royal Navy officer. As a junior officer, following the capture of USS Chesapeake by the frigate HMS Shannon during the War of 1812, the wounding of HMS Shannon's captain and the death of her first lieutenant in the action, he served as the temporary captain of HMS Shannon as she returned to Halifax, Nova Scotia, with Chesapeake.
Admiral of the Fleet Sir Fairfax Moresby GCB was a Royal Navy officer. As a junior officer he took part in the unsuccessful expedition to capture Ferrol in Spain during the French Revolutionary Wars. He later saw action during the blockade of Brest during the Napoleonic Wars before becoming commanding officer of a sloop which was sent to the Aegean Sea to defend the population of Malta from pirates; the grateful people presented him with a sword. He then sailed to the Adriatic Sea where he led a naval brigade providing artillery support to the Austrian forces during the siege of Trieste. He went on to be senior naval officer at the Cape of Good Hope and then senior officer at Mauritius, with orders to suppress the slave trade: he concluded the Moresby Treaty with Seyyid Said, the imam of Muscat, restricting the scope of local slave trading and conferring on English warships the right of searching and seizing local vessels.
Admiral of the Fleet Sir William Hall Gage was Second Sea Lord in the British Navy. He took part in the Battle of Cape St Vincent and the Siege of French-held Malta during the French Revolutionary Wars. He also saw action at the attack on the French ship Romulus during the closing stages of the Napoleonic Wars.
Admiral of the Fleet Sir Francis William Austen, was a Royal Navy officer and an elder brother of the novelist Jane Austen. As commanding officer of the sloop HMS Peterel, he captured some 40 ships, was present at the capture of a French squadron, and led an operation when the French brig Ligurienne was captured and two others were driven ashore off Marseille during the French Revolutionary Wars.
Admiral of the Fleet Sir Peter Parker, 1st Baronet was a Royal Navy officer. As a junior officer, he was deployed with a squadron under Admiral Edward Vernon to the West Indies at the start of the War of Jenkins' Ear. He saw action again at the Battle of Toulon during the War of the Austrian Succession. As captain of the fourth-rate HMS Bristol he took part in the Invasion of Guadeloupe during the Seven Years' War.
Admiral of the Fleet Sir William Bowles, KCB was a senior Royal Navy officer and Conservative Party politician. After serving as a junior officer in the French Revolutionary Wars, he became commanding officer of the sloop HMS Zebra and took part in the bombardment of Copenhagen in September 1807 during the Napoleonic Wars. As commanding officer of the fifth-rate HMS Medusa, he took part in operations off the north coast of Spain and led a naval brigade in a raid on Santoña.
Admiral of the Fleet Sir Thomas John Cochrane, was a Royal Navy officer. After serving as a junior officer during the French Revolutionary Wars, he captured the French ship Favourite off the coast of Dutch Guiana and then took part in various actions including the capture of the Virgin Islands from Danish forces, the capture of the French island of Martinique and the capture of the French archipelago of Îles des Saintes during the Napoleonic Wars. He also took part in the burning of Washington and the attack on Baltimore during the War of 1812.
Admiral of the Fleet Sir Charles Morice Pole, 1st Baronet GCB was a Royal Navy officer, colonial administrator and politician. As a junior officer he saw action at the siege of Pondicherry in India during the American Revolutionary War. After taking command of the fifth-rate HMS Success he captured and then destroyed the Spanish frigate Santa Catalina in the Strait of Gibraltar in the action of 16 March 1782 later in that War.
Admiral of the Fleet Sir Chaloner Ogle KB was a Royal Navy officer and politician. After serving as a junior officer during the Nine Years' War, a ship he was commanding was captured by three French ships off Ostend in July 1706 in an action during the War of the Spanish Succession. Ogle was given command of the fourth-rate HMS Swallow and saw action against the pirate fleet of Bartholomew Roberts in the Battle of Cape Lopez in February 1722. The action was to prove a turning point in the war against the pirates and many consider the death of Roberts to mark the end of the Golden Age of Piracy.
Admiral of the Fleet Sir George Francis Seymour, was a Royal Navy officer. After serving as a junior officer during the French Revolutionary Wars, Seymour commanded the third-rate HMS Northumberland under Admiral Sir John Duckworth at the Battle of San Domingo during the Napoleonic Wars. He also commanded the sloop HMS Kingfisher at the blockade of Rochefort and the fifth-rate HMS Pallas under Admiral Lord Gambier at the Battle of the Basque Roads. He then saw active service during the War of 1812.
Admiral of the Fleet Sir Gerard Henry Uctred Noel, was a Royal Navy officer. As a junior officer he commanded a naval brigade which took part in the capture of Kumasi in February 1874 during the Second Anglo-Ashanti War.
Admiral of the Fleet Sir Houston Stewart, was a Royal Navy officer and briefly a Liberal Party Member of Parliament. After serving as a junior officer in the Napoleonic Wars, Stewart became commanding officer of the third-rate HMS Benbow in the Mediterranean Fleet and took part in the bombardment of Acre during the Egyptian–Ottoman War. He went on to be Captain-Superintendent of Woolwich Dockyard and then Controller-General of the Coastguard.
Admiral of the Fleet Sir Thomas Byam Martin, was a Royal Navy officer. As captain of fifth-rate HMS Fisgard he took part in a duel with the French ship Immortalité and captured her at the Battle of Tory Island during the French Revolutionary Wars. Then while in command of the third-rate HMS Implacable in the Baltic Sea and attached to the Swedish Navy he took part in the capture the Russian ship Sewolod (Vsevolod) during the Napoleonic Wars.
Admiral of the Fleet Sir Lucius Curtis, 2nd Baronet, KCB was a Royal Navy officer. The son of Roger Curtis, Lord Howe's flag captain at the Glorious First of June, Curtis served in the Napoleonic Wars. During the Mauritius campaign of 1809–1811, he commanded the frigate HMS Magicienne as part of a blockade squadron under Josias Rowley and was still in command when the ship was destroyed at the Battle of Grand Port. Magicienne grounded on a coral reef early in the engagement and despite the best efforts of Curtis and his crew, the ship had to be abandoned, and was set on fire to prevent her subsequent capture.
Admiral of the Fleet Sir Alfred Phillipps Ryder was a Royal Navy officer. As a junior officer he undertook the role of transporting Pedro de Sousa Holstein, 1st Duke of Palmela, the Portuguese ambassador, back home to Lisbon and then delivering the Percy Doyle, the British ambassador to the Republic of Mexico, to Mexico City. He then led a naval brigade dispatched to Nicaragua to deal with the unlawful detention of two British subjects. He pursued the Nicaraguan commander, a Colonel Salas, for 30 miles up the San Juan River and captured the fort at Serapique.
Admiral of the Fleet Sir George Rodney Mundy, was a Royal Navy officer. As a commander, he persuaded the Dutch to surrender Antwerp during the Belgian Revolution and then acted as a mediator during negotiations between the Dutch and the Belgians to end hostilities. As a captain, he was deployed to the East Indies Station and was asked to keep the Sultan of Brunei in line until the British Government made a final decision on whether to take the island of Labuan: he took the Sultan's son-in-law, Pengiran Mumin, to witness the island's accession to the British Crown in December 1846. He was then deployed to the seas of Finland, where he secured Björkö Sound in operations against Russia during the Crimean War.
Admiral of the Fleet Sir Henry John Codrington KCB was a Royal Navy officer. As a junior officer, he saw action during the Greek War of Independence and was present at the Battle of Navarino. He later undertook a survey of enemy positions prior to the bombardment of Acre during the Egyptian–Ottoman War.
Admiral of the Fleet Sir John West was a Royal Navy officer. West saw action as a junior officer in the first-rate HMS Royal George, the flagship of Admiral Sir Alexander Hood in the Channel Squadron, when he took part in the Glorious First of June and then in the Battle of Groix during the French Revolutionary Wars.
Admiral of the Fleet Sir Charles Ogle, 2nd Baronet was a Royal Navy officer. As a junior officer, he saw action leading storming parties at the capture of Martinique and at the capture of Guadeloupe during the French Revolutionary Wars. He also took part in the landings in Egypt in the later stages of the French Revolutionary Wars.
The action of 7 December 1804 was a minor naval action that took place at the beginning of the Napoleonic Wars. Royal Navy ship-of-the-line HMS Polyphemus (64) under the command of Captain John Lawford, and the frigate HMS Lively (38) under the command of Captain Graham Hamond captured the Spanish frigate Santa Gertrudis off Cape Santa Maria.
United Kingdom 
Royal Navy 
