USS Louisiana (BB-19)

USS Louisiana (BB-19) was a Connecticut-class battleship of the United States Navy. She was the second member of the class of six pre-dreadnought battleships, and the third ship to carry her name. Louisiana was laid down in February 1903, launched in August 1904, and commissioned in June 1906. She was a 16,000-long-ton (16,000 t) battleship capable of 19 knots (35 km/h; 22 mph). Her main armament consisted of four 12-inch (305 mm) guns supported by a mixed secondary battery of 7 in (178 mm) and 8 in (203 mm) guns.

Louisiana primarily operated along the east coast of the United States and in the Caribbean during her career. In 1908–1909, she took part in the world cruise of the Great White Fleet. A pair of trips to European waters took place in 1910 and 1911. From 1913, she began to become involved in the Mexican Revolution, as the US Navy began to send ships to protect American interests in the country. This activity culminated in the US occupation of Veracruz in April 1914. During World War I, Louisiana was employed as a training ship before serving as a convoy escort in late 1918. After the war ended that year, she was used to ferry American soldiers back from France. With this work completed, she was decommissioned in October 1920 and broken up for scrap at the Philadelphia Navy Yard in 1923.

Uss louisiana bb 19
United States
Name: Louisiana
Namesake: State of Louisiana
Builder: Newport News Shipbuilding Company
Laid down: 7 February 1903
Launched: 27 August 1904
Commissioned: 2 June 1906
Decommissioned: 20 October 1920
Struck: 10 November 1923
Fate: Sold 1 November 1923 and broken up for scrap.
General characteristics [1]
Class and type: Connecticut-class battleship
Displacement: 16,000 long tons (16,000 t)
Length: 456 ft 4 in (139.09 m)
Beam: 76 ft 10 in (23.42 m)
Draft: 24 ft 6 in (7.47 m)
Speed: 18 kn (21 mph; 33 km/h)
Complement: 827 officers and men
  • Belt: 6–11 in (152–279 mm)
  • Barbettes: 6–10 in (152–254 mm)
  • Turret Main: 8–12 in (203–305 mm)
  • Turret secondary: 7 in (178 mm)
  • Conning tower: 9 in (229 mm)


Connecticut-class battleship line-drawing
Line-drawing of the Connecticut class

Louisiana was 456.3 ft (139.1 m) long overall and had a beam of 76.9 ft (23.4 m) and a draft of 24.5 ft (7.5 m). She displaced 16,000 long tons (16,000 t) as designed and up to 17,666 long tons (17,949 t) at full load. The ship was powered by two-shaft triple-expansion steam engines rated at 16,500 indicated horsepower (12,300 kW) and twelve coal-fired Babcock & Wilcox boilers, generating a top speed of 18 knots (33 km/h; 21 mph). As built, she was fitted with heavy military masts, but these were quickly replaced by lattice masts in 1909. She had a crew of 827 officers and enlisted men, though this increased to 881 and later to 896.[1]

The ship was armed with a main battery of four 12 inch /45 Mark 5[a] guns in two twin gun turrets on the centerline, one forward and aft. The secondary battery consisted of eight 8-inch (203 mm) /45 guns and twelve 7-inch (178 mm) /45 guns. The 8-inch guns were mounted in four twin turrets amidships and the 7-inch guns were placed in casemates in the hull. For close-range defense against torpedo boats, she carried twenty 3-inch (76 mm) /50 guns mounted in casemates along the side of the hull and twelve 3-pounder guns. She also carried four 37 mm (1.5 in) 1-pounder guns. As was standard for capital ships of the period, Louisiana carried four 21 inch (533 mm) torpedo tubes, submerged in her hull on the broadside.[1]

Louisiana's main armored belt was 11 in (279 mm) thick over the magazines and the machinery spaces and 6 in (152 mm) elsewhere. The main battery gun turrets had 12-inch (300 mm) thick faces, and the supporting barbettes had the 10 in (250 mm) of armor plating. The secondary turrets had 7 in (180 mm) of frontal armor. The conning tower had 9 in (230 mm) thick sides.[1]

Service history

Early career and the Great White Fleet

U.S.S. Louisiana npcc
Louisiana in New York City during a Naval Review in 1911

The keel for Louisiana was laid down at the Newport News Shipbuilding & Dry Dock Company in Newport News, Virginia on 7 February 1903. Her completed hull was launched on 27 August 1904, and she was commissioned into the fleet on 2 June 1906. The ship then conducted a shakedown cruise off the coast of New England before being ordered to Cuba. She left the United States on 15 September with Secretary of War William Howard Taft and Assistant Secretary of State Robert Bacon aboard; they were requested as a peace commission by Cuban President Tomás Estrada Palma to suppress an insurrection in the country. Taft and Bacon helped to create a provisional government, during which time Louisiana remained in Cuba. After their work was completed, Taft and Bacon returned to the ship, which took them back to Fortress Monroe, Virginia.[2]

On 8 November, Louisiana carried President Theodore Roosevelt from Piney Point, Maryland to Panama, where the Panama Canal was being built. After inspecting the progress of construction, Roosevelt boarded Louisiana and made a visit to Puerto Rico to examine the new government building there before continuing on to Piney Point, arriving on 26 November. Over the course of the following year, the ship made a series of cruises to American ports, including New Orleans and Norfolk, and visits to Havana and Guantanamo Bay in Cuba. During this period, she also took part in training exercises off New England.[2]

Louisiana joined the Great White Fleet on 16 December 1907, when they departed Hampton Roads to begin their circumnavigation of the globe.[2] The fleet cruised south to the Caribbean and then to South America, making stops in Port of Spain, Rio de Janeiro, Punta Arenas, and Valparaíso, among other cities. After arriving in Mexico in March 1908, the fleet spent three weeks conducting gunnery practice.[3] The fleet then resumed its voyage up the Pacific coast of the Americas, stopping in San Francisco and Seattle before crossing the Pacific to Australia, stopping in Hawaii on the way. Stops in the South Pacific included Melbourne, Sydney, and Auckland. [4]

After leaving Australia, the fleet turned north for the Philippines, stopping in Manila, before continuing on to Japan where a welcoming ceremony was held in Yokohama. Three weeks of exercises followed in Subic Bay in the Philippines in November. The ships passed Singapore on 6 December and entered the Indian Ocean; they coaled in Colombo before proceeding to the Suez Canal and coaling again at Port Said, Egypt. The fleet called in several Mediterranean ports before stopping in Gibraltar, where an international fleet of British, Russian, French, and Dutch warships greeted the Americans. The ships then crossed the Atlantic to return to Hampton Roads on 22 February 1909, having traveled 46,729 nautical miles (86,542 km; 53,775 mi). There, they conducted a naval review for Theodore Roosevelt.[5]


111-SC-37043 - NARA - 55233267-cropped
Louisiana and New Hampshire returning US troops in 1919, Pier 4, Hoboken, NJ

Louisiana underwent an extensive overhaul after returning from the voyage, after which she conducted training maneuvers in the Atlantic.[2] Captain Washington Irving Chambers took command of the ship on 1 June.[6] On 1 November 1910, she was assigned to the 2nd Division of the Atlantic Fleet, which crossed the Atlantic to visit British and French cities. A second trip to Europe followed in 1911, this time to the Baltic Sea. There, the ships stopped in Copenhagen, Denmark, Trälhavet, Sweden, Kronstadt, Russia, and Kiel, Germany. They were inspected by the monarchs of each country. The worsening unrest of the Mexican Revolution led the United States to begin intervening in the conflict to protect American interests; in support of these interventions, Louisiana made three trips to Mexico between July 1913 and September 1915. The first lasted from 6 July to 29 December 1913. The second, from 14 April to 8 August 1914, supported the United States occupation of Veracruz. The third deployment lasted from 17 August to 24 September 1915.[2]

After returning from the last operation, Louisiana was reduced to reserve status at Norfolk and employed as a training ship for midshipmen and naval militia units. Following the United States' declaration of war on Germany on 6 April 1917, Louisiana was used to train gunners and engine room personnel.[2] During this period, she was involved in a gunnery accident. During training on 1 June 1918, the crews for three of the 7-inch guns aboard the battleship New Hampshire accidentally began firing at one of the submarine chasers present; they fired several salvos before they received the order to cease fire. One of the shells struck Louisiana, killing one man and wounding several more.[7] The ship was thereafter used to examine one of Arthur Pollen's Argo Clocks, a fire control system that incorporated the first mechanical analog computer. The system was installed starting on 19 June, with work being completed by 1 July.[8]

In September 1918, she was reassigned as a convoy escort; her first operation covered a convoy to Halifax on the 25th of the month. This duty did not last long, as the Germans signed the Armistice that ended the war on 11 November. Louisiana was then used to transport American soldiers back from France, starting on 24 December.[2] The first trip was made in company with New Hampshire, and arrived in Brest, France on 5 January 1919. Between the two of them, they carried 2,169 men back to the United States.[9] She made three additional trips to Brest in this role. After this task ended, she was transferred to the Philadelphia Navy Yard, where she was decommissioned on 20 October 1920. The ship was eventually sold for scrap on 1 November 1923.[2]



  1. ^ /45 refers to the length of the gun in terms of calibers. A /45 gun is 45 times long as it is in bore diameter.


  1. ^ a b c d Gardiner, p. 143.
  2. ^ a b c d e f g h DANFS Louisiana.
  3. ^ Albertson, pp. 41–46.
  4. ^ Albertson, pp. 47–56.
  5. ^ Albertson, pp. 57–66.
  6. ^ Stein, p. 156.
  7. ^ Jones, p. 114.
  8. ^ Friedman, p. 303.
  9. ^ Jones, p. 122.


  • Albertson, Mark (2007). U.S.S. Connecticut: Constitution State Battleship. Mustang: Tate Publishing. ISBN 1-59886-739-3.
  • Friedman, Norman (2008). Naval Firepower: Battleship Guns and Gunnery in the Dreadnought Era. Annapolis: Naval Institute Press. ISBN 978-1-59114-555-4.
  • Gardiner, Robert, ed. (1979). Conway's All the World's Fighting Ships: 1860–1905. London: Conway Maritime Press. ISBN 978-0-85177-133-5.
  • "Louisiana (BB-19) III". Dictionary of American Naval Fighting Ships. Naval History & Heritage Command. 2 April 2015. Retrieved 22 May 2015.
  • Jones, Jerry W. (1998). U.S. Battleship Operations in World War I. Annapolis: Naval Institute Press. ISBN 1-55750-411-3.
  • Stein, Stephen K. (2007). From Torpedoes to Aviation: Washington Irving Chambers & Technological Innovation in the New Navy, 1876 to 1913. Tuscaloosa: University of Alabama Press. ISBN 0817315640.

Further reading

  • Alden, John D. (1989). American Steel Navy: A Photographic History of the U.S. Navy from the Introduction of the Steel Hull in 1883 to the Cruise of the Great White Fleet. Annapolis, Maryland: Naval Institute Press. ISBN 0-87021-248-6.
  • Friedman, Norman (1985). U.S. Battleships, An Illustrated Design History. Annapolis, Maryland: Naval Institute Press. ISBN 0-87021-715-1.
  • Reilly, John C.; Scheina, Robert L. (1980). American Battleships 1886–1923: Predreadnought Design and Construction. Annapolis, Maryland: Naval Institute Press. ISBN 0-87021-524-8.

External links

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7"/44 caliber gun

The 7"/44 caliber gun Mark 1 (spoken "seven-inch-forty-four--caliber") and 7"/45 caliber gun Mark 2 (spoken "seven-inch-forty-five--caliber") were used for the secondary batteries of the United States Navy's last generation of pre-dreadnought battleships, the Connecticut-class and Mississippi-class. The 7-inch (178 mm) caliber was considered, at the time, to be the largest caliber weapon sutiable as a rapid-fire secondary gun because its shells were the heaviest that one man could handle alone.

8"/45 caliber gun

The 8"/45 caliber Mark 6 gun (spoken "eight-inch-forty-five--caliber") were used for the secondary batteries of the United States Navy's last pre-dreadnought battleships and refitted in older armored cruisers main batteries.

Connecticut-class battleship

The Connecticut class of pre-dreadnought battleships were the penultimate class of the type built for the United States Navy. The class comprised six ships: Connecticut, Louisiana, Vermont, Kansas, Minnesota, and New Hampshire, which were built between 1903 and 1908. The ships were armed with a mixed offensive battery of 12-inch (305 mm), 8-inch (203 mm), and 7-inch (178 mm) guns. This arrangement was rendered obsolete by the advent of all-big-gun battleships like the British HMS Dreadnought, which was completed before most of the Connecticuts entered service.

Nevertheless, the ships had active careers. The first five ships took part in the cruise of the Great White Fleet in 1907–1909—New Hampshire had not entered service. From 1909 onward, they served as the workhorses of the US Atlantic Fleet, conducting training exercises and showing the flag in Europe and Central America. As unrest broke out in several Central American countries in the 1910s, the ships became involved in police actions in the region. The most significant was the American intervention in the Mexican Revolution during the occupation of Veracruz in April 1914.

During the American participation in World War I, the Connecticut-class ships were used to train sailors for an expanding wartime fleet. In late 1918, they began to escort convoys to Europe, and in September that year, Minnesota was badly damaged by a mine laid by the German U-boat SM U-117. After the war, they were used to bring American soldiers back from France and later as training ships. The 1922 Washington Naval Treaty, which mandated major reductions in naval weapons, cut the ships' careers short. Within two years, all six ships had been sold for scrap.

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George Franklin Cooper

George Franklin Cooper was a captain in the United States Navy. He was the commanding officer of the battleship USS Louisiana (BB-19) from May 1914 to June 1916.

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List of battleships of the United States Navy

The United States Navy began the construction of battleships with USS Texas in 1892, but the first battleship under that designation would be USS Indiana. Texas and USS Maine, commissioned three years later, were part of the New Navy program of the late 19th century, a proposal by then Secretary of the Navy William H. Hunt to match Europe's navies that ignited a years-long debate that was suddenly settled in Hunt's favor when the Brazilian Empire commissioned the battleship Riachuelo. In 1890, Alfred Thayer Mahan's book The Influence of Sea Power upon History was published and significantly influenced future naval policy—as an indirect of its influence on Secretary Benjamin F. Tracy, the Navy Act of June 30, 1890 authorized the construction of "three sea-going, coast-line battle ships" which became the Indiana-class. The Navy Act of July 19, 1892 authorized construction of a fourth "sea-going, coast-line battle ship", which became USS Iowa. Despite much later claims that these were to be purely defensive and were authorized as "coastal defense ships", they were almost immediately used for offensive operations in the Spanish–American War. By the start of the 20th century, the United States Navy had in service or under construction the three Illinois-class and two Kearsarge-class battleships, making the United States the world's 5th strongest power at sea from a nation that had been 12th in 1870.Except for Kearsarge, named by an act of Congress, all U.S. Navy battleships have been named for states, and each of the 48 contiguous states has had at least one battleship named for it except Montana; two battleships were authorized to be named Montana but both were cancelled before construction started. Alaska and Hawaii did not become states until 1959, after the end of battleship building, but the battlecruiser, or "Large Cruiser," USS Alaska was built during World War II and her sister, USS Hawaii, was begun but never completed. The pre-dreadnoughts USS Zrinyi (formerly the Austrian SMS Zrínyi), USS Radetzky (formerly the Austrian SMS Radetzky), and USS Ostfriesland (formerly the German SMS Ostfriesland), taken as prizes of war after World War I, were commissioned in the US Navy, but were not assigned hull classification symbols.

No American battleship has ever been lost at sea, though four were sunk during the attack on Pearl Harbor. Of these, only USS Arizona (BB-39) and USS Oklahoma (BB-37) were permanently destroyed as a result of enemy action. Several other battleships have been sunk as targets, and USS Utah (BB-31), demilitarized and converted into a target and training ship, was permanently destroyed at Pearl Harbor. The hulk of Oklahoma was salvaged and was lost at sea while being towed to the mainland for scrapping. Two American-built pre-dreadnought battleships, USS Mississippi (BB-23) and her sister USS Idaho (BB-24), were sunk in 1941 by German bombers during their WWII invasion of Greece. The ships had been sold to Greece in 1914, becoming Kilkis and Lemnos respectively.

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USS Louisiana

Five ships of the United States Navy have borne the name USS Louisiana in honor of the 18th state.

USS Louisiana (1812) was a sloop that served in the War of 1812

USS Louisiana (1861) was a propeller-driven steamer that served in the American Civil War

USS Louisiana (BB-19) was a Connecticut-class battleship commissioned 2 June 1906 and decommissioned 20 October 1920

USS Louisiana (BB-71) was a Montana-class battleship cancelled before her keel was laid down

USS Louisiana (SSBN-743) is an Ohio-class submarine currently in active service

CSS Louisiana was commissioned by the Confederate States of America during the American Civil War

USRC Louisiana (1819) was a wood hull topsail schooner that served in the United States Revenue Cutter Service from 1819 to 1824

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