German Kriegsmarine

German Kriegsmarine
Name	Kriegsmarine
Native name	Kriegsmarine
Founded	1935
Disbanded	1945
Country	Germany
Branch	Navy
Notable commanders	* Erich Raeder * Karl Dönitz

German Kriegsmarine

The Kriegsmarine was the maritime armed force of Nazi Germany from 1935 to 1945, successor to the Reichsmarine and a central instrument in the naval dimensions of World War II. It operated alongside the Heer and the Luftwaffe under the strategic direction of figures such as Erich Raeder and Karl Dönitz, engaging in surface actions, submarine warfare, mine warfare, and coastal operations across the Atlantic Ocean, Baltic Sea, Norwegian Sea, and Mediterranean theater. The Kriegsmarine's campaigns intersected with major events including the Battle of the Atlantic, the Norwegian Campaign, the Invasion of France, and operations around Operation Barbarossa.

Origins and Formation (1919–1935)

The origins trace to the post-World War I naval force, the Reichsmarine, constrained by the Treaty of Versailles and influenced by interwar naval debates involving figures such as Alfred von Tirpitz legacy and contemporary naval planners. During the Weimar Republic and early Nazi Germany rearmament, clandestine programs linked to the German Naval Cabinet and industrial firms like Krupp and Blohm+Voss expanded shipbuilding. The formal establishment in 1935 followed the Anglo-Anglo-German Naval Agreement negotiations between Neville Chamberlain's government and Adolf Hitler, enabling an explicit expansion beyond Versailles limits and setting the stage for the fleet expansion that produced vessels such as the Bismarck and the Scharnhorst class.

Organization and Command Structure

The command hierarchy placed the Kriegsmarine under the Reich Ministry of War structures initially, then integrated into the OKW framework, with the Kriegsmarine leadership centered on the Seekriegsleitung for operational direction and the Marinekommando and Admiralty-style directorates for administration. Top commanders included Erich Raeder as Großadmiral until 1943 and Karl Dönitz thereafter, who had earlier commanded the U-bootwaffe. Coordination occurred with agencies such as the Abwehr and the RSHA on intelligence and special operations, and with shipbuilding ministries involving firms like AG Vulcan Stettin.

Naval Forces and Major Units

Major surface units comprised capital ships such as the Bismarck and Tirpitz, battleships like Scharnhorst and Gneisenau, heavy cruisers including Admiral Hipper class, light cruisers, destroyers, and torpedo boats. The submarine arm included types from Type VII to Type XXI electric-powered designs, organized into flotillas under commanders like Karl Dönitz. Coastal forces included S-Boot fast attack boats, minelayers, and the Kriegsmarine coastal artillery emplacements defending bases such as Wilhelmshaven and Kiel. Auxiliary units involved the Kriegsmarine auxiliaries, blockade runners, and Minensuchboot minesweepers.

Operations and Campaigns (1939–1945)

The Kriegsmarine's major operational focus was the Battle of the Atlantic, employing U-boat wolfpack tactics against Allied convoys escorted by forces from Royal Navy and United States Navy. Early operations included the Polish Campaign and the Norwegian Campaign, notable for surface raider sorties such as the deployment of Scharnhorst and Gneisenau and the loss at the Battle of the Denmark Strait involving HMS Hood. Surface raiders and commerce raiders like Admiral Graf Spee contested shipping until engagements such as the Battle of the River Plate. In the Mediterranean, units supported the Siege of Malta and battles around Operation Torch. The Kriegsmarine also conducted mine warfare in the North Sea and coastal operations during Operation Barbarossa and the Baltic evacuation in 1944–45.

Technology, Ships and Weaponry

Shipbuilding incorporated advances from firms like Blohm+Voss, Krupp and Howaldtswerke-Deutsche Werft producing capital ships, pocket battleships such as Admiral Graf Spee, and fast destroyers. Submarine development progressed from Type II coastal U-boats to ocean-going Type IX and the late-war Type XXI electroboats introducing snorkel systems and battery improvements. Weaponry included the 88 mm gun adaptation for naval AA use, FlaK systems aboard ships, torpedoes such as the G7e and G7a, and radar and sonar (ASDIC) technologies influenced by captured and borrowed designs from British radar developments. Innovations extended to naval aviation via the Katapult-Schiff catapult-launched aircraft and use of Arado Ar 196 floatplanes for reconnaissance.

Personnel, Training and Doctrine

Personnel recruitment drew from German Imperial Navy veterans and new conscripts trained at establishments like the Mürwik Naval School (Marineschule Mürwik) and coastal training centers in Kiel and Stralsund. Officer development emphasized seamanship, gunnery, and U-boat tactics under leaders such as Karl Dönitz, whose doctrine prioritized concentrated submarine formations and interdiction of Allied logistics, influenced by prior submarine proponents. Personnel included specialized ratings for torpedomen, radio operators, and naval engineers; medical and signals branches coordinated with institutions such as the Kriegsmarine medical service.

Postwar Fate and Legacy

After German surrender the Kriegsmarine was dissolved; many vessels were interned, scuttled at Scapa Flow-style events and returned to Allies for inspection, with surviving ships allocated to the Royal Navy, United States Navy, and Soviet Navy as war prizes. Key personnel faced postwar tribunals; some entered civilian maritime industries or the navies of successor states like the Bundesmarine in West Germany. The legacy influenced modern German Navy ship design, submarine doctrine, and historical scholarship, remaining contentious in debates over naval strategy and the ethics of unrestricted submarine warfare.

Category:Naval history of Germany