HMS Carnarvon was one of six Devonshire-class armoured cruisers built for the Royal Navy in the first decade of the 20th century. She was assigned to the 3rd Cruiser Squadron of the Mediterranean Fleet upon completion in 1905 and was transferred to the 2nd Cruiser Squadron of the Atlantic Fleet in 1907. She was assigned to the reserve Third Fleet in 1909 and became flagship of the 5th Cruiser Squadron of the reserve Second Fleet in 1912.
HMS Cornwall was one of 10 Monmouth-class armoured cruisers built for the Royal Navy in the first decade of the 20th century. She was assigned to the 2nd Cruiser Squadron of the Channel Fleet on completion in 1903. The ship was refitted in 1907 in preparation for service as a training ship for cadets with the 4th Cruiser Squadron on the North America and West Indies Station beginning in 1908.
HMS Duke of Edinburgh was the lead ship of the Duke of Edinburgh-class armoured cruisers built for the Royal Navy in the early 1900s. She was stationed in the Mediterranean when the First World War began and participated in the pursuit of the German battlecruiser SMS Goeben and light cruiser SMS Breslau. After the German ships reached Ottoman waters, the ship was sent to the Red Sea in mid-August to protect troop convoys arriving from India. Duke of Edinburgh was transferred to the Grand Fleet in December 1914 and participated in the Battle of Jutland in May 1916. She was not damaged during the battle and was the only ship of her squadron to survive. She was eventually transferred to the Atlantic Ocean in August 1917 for convoy escort duties.
HMS Bacchante was a Cressy-class armoured cruiser built for the Royal Navy around 1900. Upon completion she was assigned to the Mediterranean Fleet as flagship of the fleet's cruiser squadron. She was reduced to reserve upon her return home in 1905 before returning to the Mediterranean in 1906. Six years later she returned home and was again placed in reserve. Recommissioned at the start of World War I, Bacchante became flagship of the 7th Cruiser Squadron. She was present at the Battle of Heligoland Bight a few weeks after the war began, but saw no combat.
HMS Defence was a Minotaur-class armoured cruiser built for the Royal Navy in the first decade of the 20th century, the last armoured cruiser built for the Royal Navy. She was stationed in the Mediterranean when the First World War began and participated in the pursuit of the German battlecruiser SMS Goeben and light cruiser SMS Breslau. The ship was transferred to the Grand Fleet in January 1915 and remained there for the rest of her career.
The Minotaur class was a three-ship class of armoured cruisers built in the first decade of the twentieth century for the Royal Navy. These were the last class of armoured cruisers built for the Royal Navy, with that role being substantially replaced by the first battlecruisers. These initially served with the Home Fleet, generally as the flagships of cruiser squadrons. Minotaur became flagship of the China Station in 1910 and Defence served as flagship of the 1st Cruiser Squadron in the Mediterranean from 1912; Shannon remained at home as flagship of several different squadrons.
The Duke of Edinburgh-class cruiser was a class of two armoured cruisers built for the Royal Navy in the first decade of the 20th century. They were the first British armoured cruisers designed to work with the battlefleet rather than protect merchant shipping. After commissioning, they were assigned to the Atlantic, Channel and Home Fleets until 1913 when they were transferred to the Mediterranean Fleet. After the start of World War I in August 1914, the sister ships participated in the pursuit of the German battlecruiser SMS Goeben and light cruiser SMS Breslau. After the German ships reached their refuge in Ottoman Turkey, the ships were ordered to the Red Sea for convoy escort duties. They captured three German merchant ships before they returned to home at the end of the year.
HMS Hyacinth was one of three Highflyer-class protected cruisers built for the Royal Navy in the 1890s. Initially assigned to the Channel Fleet, she spent much of her early career as flagship for the East Indies Station. She was reduced to reserve in 1912 after a lengthy refit before becoming the flagship of the Cape of Good Hope Station in 1913. After the beginning of World War I in August 1914, she spent the first few months of the war escorting convoys around South Africa. In early 1915, she was deployed to German East Africa to blockade the German light cruiser SMS Königsberg. She destroyed a German blockade runner attempting to bring supplies through the blockade in April and sank a German merchant vessel in early 1916. Hyacinth remained on the Cape Station for the rest of the war and was paid off in 1919, although she was not sold for scrap until 1923.
HMS Cochrane was a Warrior-class armoured cruiser built for the Royal Navy in the first decade of the 20th century. She served in the 2nd Cruiser Squadron during the First World War under Rear-Admiral Herbert Heath, taking part in the Battle of Jutland in 1916. She was based in Murmansk in mid-1918 during the Allied intervention in the Russian Civil War. She became stranded in the River Mersey on 14 November 1918 and broke in two. The wreck was broken up in place by June 1919.
HMS Achilles was a Warrior-class armoured cruiser built for the Royal Navy in the first decade of the 20th century. She served with the 2nd Cruiser Squadron for most of the First World War. The ship did not participate in the Battle of Jutland in 1916, but did sink the German raider Leopard in 1917. Achilles became a training ship in 1918 and was sold for scrap in 1921.
HMS Drake was the lead ship of her class of armoured cruisers built for the Royal Navy around 1900. She was assigned to several different cruiser squadrons in home waters upon completion, sometimes as flagship, until 1911 when she became the flagship of the Australia Station. Upon her return home, she was assigned to the 6th Cruiser Squadron of the 2nd Fleet and became the squadron's flagship when the fleet was incorporated into the Grand Fleet upon the outbreak of the First World War.
HMS King Alfred was one of four Drake-class armoured cruisers built for the Royal Navy around 1900. She served as flagship of the China Station from 1906 until relieved in 1910. Upon her return home that year, she was placed in reserve before being recommissioned in mid-1914. She was assigned to the 6th Cruiser Squadron of the Grand Fleet at the beginning of World War I. She was transferred to the 9th Cruiser Squadron in 1915 and assigned to convoy protection duties by the end of the year. King Alfred participated in the unsuccessful searches for the German commerce raider SMS Möwe in 1916–17 before beginning to escort convoys later that year. The ship was torpedoed by a German submarine in 1918, but returned to service. She was sold for scrap in 1920.
HMS Leviathan was one of four Drake-class armoured cruisers built for the Royal Navy around 1900. She was assigned to the China Station upon completion and then served in the Mediterranean Fleet in 1905–06. She was assigned to the 7th Cruiser Squadron in 1907 before she was briefly reduced to reserve. Leviathan was recommissioned in 1909 for service with the 4th Cruiser Squadron before she was placed in reserve in 1913.
HMS Devonshire was the lead ship of her class of six armoured cruiser built for the Royal Navy in the first decade of the 20th century. She was assigned to the 1st Cruiser Squadron of the Channel Fleet upon completion in 1905 and was transferred to the 2nd Cruiser Squadron of the Atlantic Fleet in 1907. She was assigned to the reserve Third Fleet in 1909 and then to the 3rd Cruiser Squadron of the reserve Second Fleet in 1913.
HMS Antrim was a Devonshire-class armoured cruiser built for the Royal Navy in the first decade of the 20th century. She was assigned to the 1st Cruiser Squadron of the Channel Fleet upon completion in 1905 and was transferred to the 2nd Cruiser Squadron of the Atlantic Fleet in 1907. She was assigned to the reserve Third Fleet in 1909 and then became flagship of the 3rd Cruiser Squadron of the reserve Second Fleet in 1913.
HMS Shannon was a Minotaur-class armoured cruiser built for the Royal Navy in the mid-1900s. Before the First World War, she served with the Home Fleet, generally as the flagship of a cruiser squadron. The ship remained with the Grand Fleet, as the Home Fleet was renamed when the war began, for the entire war, but only participated in a single battle, the Battle of Jutland in May 1916. Shannon spent most of the war unsuccessfully patrolling the North Sea for German warships and commerce raiders. She was paid off in 1919 and sold for scrap in 1922.
HMS Carysfort was a C-class light cruiser built for the Royal Navy during World War I. She was one of six ships of the Caroline sub-class and was completed in 1915. Assigned to the Grand Fleet, the Harwich Force, and the Dover Patrol during the war, the ship served as a flagship for part of the war. Her only known combat was a short battle against German torpedo boats in the English Channel, although she was very active patrolling the North Sea and unsuccessfully searching for German ships. Carysfort was assigned to the Home and Atlantic Fleets after the war and was sent to the Mediterranean Fleet during the Chanak Crisis of 1922–23 to support British interests in Turkey. In 1922, she patrolled off the Irish coast during the Irish Civil War. The ship was placed in reserve after returning home in 1923 and, aside from ferrying troops overseas, remained in reserve until she was sold for scrap in 1931.
HMS Cordelia was a C-class light cruiser built for the Royal Navy during World War I. She was one of six ships of the Caroline sub-class and was completed at the beginning of 1915. The ship was assigned to the 1st and 4th Light Cruiser Squadrons (LCS) of the Grand Fleet for the entire war and played a minor role in the Battle of Jutland in mid-1916. Cordelia spent most of her time on uneventful patrols of the North Sea. She served as a training ship for most of 1919 before she was recommissioned for service with the Atlantic Fleet in 1920. The ship was placed in reserve at the end of 1922 and was sold for scrap in mid-1923.
HMS Highflyer was the lead ship of the Highflyer-class protected cruisers built for the Royal Navy in the 1890s. She spent her early career as flagship for the East Indies and North America and West Indies Stations. She was reduced to reserve in 1908 before again becoming the flagship in the East Indies in 1911. She returned home two years later and became a training ship. When World War I began in August 1914, she was assigned to the 9th Cruiser Squadron in the Central Atlantic to intercept German commerce raiders and protect Allied shipping.
The Warrior class consisted of four armoured cruisers built for the Royal Navy in the first decade of the 20th century. After commissioning, all four sister ships were assigned to the Channel and Home Fleets until 1913 when Warrior was transferred to the Mediterranean Fleet. After the start of World War I in August 1914, Warrior participated in the pursuit of the German battlecruiser SMS Goeben and light cruiser SMS Breslau and her three sisters were assigned to the 2nd Cruiser Squadron of the Grand Fleet. Warrior joined the 1st Cruiser Squadron of the Grand Fleet in late 1914. Neither squadron participated in any of the naval battles in the North Sea in 1915. Natal was destroyed by a magazine explosion in late 1915 and only two of the ships participated in the Battle of Jutland in 1916. Cochrane was not engaged during the battle, but Warrior was heavily damaged and sank the following morning.
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