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| Jean Bart (battleship) | |
|---|---|
| Ship name | Jean Bart |
| Ship namesake | Jean Bart |
| Ship class | Richelieu-class battleship |
| Ship builder | Ateliers et Chantiers de Saint-Nazaire-Penhöet |
| Ship laid down | 1936 |
| Ship launched | 1940 |
| Ship completed | 1949 |
| Ship out of service | 1961 |
| Ship displacement | 48,000 long tons (full load) |
| Ship length | 247 m |
| Ship beam | 33.1 m |
| Ship propulsion | Steam turbines, oil-fired boilers |
| Ship speed | 32 knots |
| Ship range | 7,000 nmi at 15 kn |
| Ship armament | 8 × 380 mm main guns, 9 × 152 mm secondary, AA suite |
| Ship armor | Belt up to 330 mm, deck up to 150 mm |
| Ship personnel | ~1,700 officers and ratings |
Jean Bart (battleship) was the second and final member of the Richelieu-class battleship ordered for the French Navy in the late 1930s. Laid down before World War II and launched during the Battle of France, she had an interrupted construction, saw limited wartime action, was scuttled and salvaged, completed after the war and served into the early Cold War before being decommissioned and scrapped. Her complex career intersected with events and actors including Operation Torch, the Vichy France regime, the Free French Forces, Allied occupation of Germany, and Cold War naval policy.
Jean Bart was designed under the influence of the naval arms race that involved Imperial Japanese Navy, Regia Marina, Royal Navy, and Kriegsmarine developments in capital ships, responding to treaty limitations such as the Washington Naval Treaty and the London Naval Treaty. French naval architects at the Centre d'Essais and Direction du Génie Maritime adapted the innovative forward main battery layout of the Richelieu to balance firepower, protection, and speed for operations in the Mediterranean Sea, the Atlantic Ocean, and colonial theaters like French Indochina. Designers prioritized eight 380 mm guns in two quadruple turrets forward to reduce citadel length, drawing on lessons from Dreadnought-era arrangements and contemporary designs from Washington Naval Yard studies. Industrial firms including Ateliers et Chantiers de Saint-Nazaire, Forges et Chantiers de la Méditerranée, and suppliers such as Schneider-Creusot influenced armor and ordnance choices amid interwar financial and political pressures in Third French Republic defense planning.
Jean Bart's main battery consisted of eight 380 mm/45 Modèle 1935 guns in two quadruple Schneider turrets, with fire-control systems tied to directors supplied by firms linked to Société d'Applications Téléphoniques and integrated with Rangefinder technology developed from trials with Richelieu and Dunkerque (1929). Her secondary battery included nine 152 mm guns in triple turrets influenced by French cruiser practice, while anti-aircraft defenses comprised multiple 37 mm and 100 mm mounts and numerous 13.2 mm machine guns adapted from export models used by Soviet Navy and Regia Marina vessels. Armor protection followed contemporary doctrines exemplified by Nelson-class battleship studies and Italian lessons from Battle of Taranto: a waterline belt up to 330 mm, armored decks up to 150 mm, and armored turrets and conning tower designed to resist 15-inch caliber impacts, informed by ordnance data from trials at Saint-Nazaire and gunnery tests run in concert with Service de la Construction Navale.
Laid down in 1936 at Ateliers et Chantiers de Saint-Nazaire-Penhöet, Jean Bart's construction progressed under constraints introduced by political crises including the Spanish Civil War and escalating tensions with Nazi Germany. She was launched in 1940 during the German invasion of France and towed incomplete to Casablanca in French Morocco to avoid capture, linking her fate with the Vichy France administration in North Africa and the strategic concerns of commanders such as Admiral Darlan and Admiral Gensoul. Initial machinery trials and limited gunnery work were performed alongside repairs to sister ship Richelieu, with assistance from dockworkers associated with Chantiers de Penhoët and technicians formerly attached to Service technique establishments. Fueling, boiler angling, and turret training trials were interrupted by Operation Torch and allied operations in the Atlantic Charter era, leaving Jean Bart partially operational when Allied landings began.
Under Vichy control, Jean Bart remained a potential threat to Allied shipping in the Atlantic approaches and a symbol of contested sovereignty during the North African Campaign. The battleship's incomplete status influenced strategic decisions by Allied planners at Casablanca Conference and operations involving HMS Ark Royal carrier strikes and USS Massachusetts covering forces. Following clashes and negotiations involving figures such as General Eisenhower and Admiral Cunningham, Jean Bart was targeted during Operation Torch and associated naval engagements, sustaining damage from Shelling and air attacks conducted by United States Army Air Forces and Fleet Air Arm units supporting amphibious operations.
After Operation Torch precipitated the collapse of organized Vichy resistance in North Africa, scuttling attempts and sabotage were undertaken at Casablanca to prevent Jean Bart's capture, echoing earlier self-destruction policies seen in ports like Toulon in 1942. Salvage and repair efforts involved cooperation among Free French Forces, United States Navy salvage units, and colonial dockworkers under oversight influenced by commanders linked to Free French leader Charles de Gaulle and Allied authorities. Partial repairs allowed limited steaming for coastal defense, but extensive modernization was deferred until after hostilities as Allied priorities focused on Normandy landings and the Mediterranean Theatre.
Following World War II, Jean Bart was towed to metropolitan shipyards where reconstruction programs incorporated lessons from wartime experiences with Yamato-class battleship losses, carrier aviation dominance demonstrated at Battle of Midway, and radar-guided fire control proven by Royal Navy and United States Navy developments. Refit work included completion of superstructure, modernization of anti-aircraft batteries with designs influenced by Bofors and Oerlikon systems, installation of improved radar from suppliers connected to CNET research, and machinery overhauls using techniques refined at Arsenal de Brest. Jean Bart rejoined the postwar French Navy fleet to represent national prestige, conduct training cruises to ports such as New York and Suez, and participate in Cold War naval diplomacy alongside units from United States Sixth Fleet and NATO partners before decommissioning in 1961 amid budgetary debates in the Fourth French Republic and Fifth French Republic.
Jean Bart's legacy intersects with naval architecture studies at institutions like École Navale and maritime museums including Musée national de la Marine and regional preservation debates in Brittany and Casablanca. While scrapping removed most material remains, artifacts and plans were archived at repositories tied to Service historique de la Défense and naval research centers collaborating with maritime historians such as Jean Labayle Couhat and James D. Hornfischer. Preservation efforts have included proposals for museum ships modeled on surviving elements of contemporaries like USS Missouri and documentation initiatives connecting to international projects funded by cultural bodies linked to UNESCO and regional heritage agencies. Jean Bart continues to be studied in works covering battleship development, French naval policy, and Cold War maritime transition.
Category:Richelieu-class battleships Category:Ships built in France Category:World War II battleships of France