German Navy (Kriegsmarine)

German Navy (Kriegsmarine)
Name	Kriegsmarine
Native name	Kriegsmarine
Country	Germany
Active	1935–1945
Branch	Naval forces
Size	approx. 950,000 personnel (peak)
Notable commanders	Erich Raeder,Karl Dönitz

German Navy (Kriegsmarine) The Kriegsmarine was the naval force of Nazi Germany from 1935 to 1945, succeeding the Reichsmarine and operating under the Wehrmacht high command. It participated in major maritime campaigns including the Battle of the Atlantic, the Norwegian Campaign, and operations in the Mediterranean Sea and Baltic Sea, engaging naval forces from the Royal Navy, United States Navy, and Soviet Navy. Key figures and institutions included Admirals Erich Raeder and Karl Dönitz, shipbuilders such as Blohm+Voss and Krupp, and naval bases at Wilhelmshaven, Kiel, and Hamburg.

Origins and Formation

The formation of the Kriegsmarine followed the constraints of the Treaty of Versailles and the transitional period of the Reichsmarine during the Weimar Republic. Reorganization under the Nazi Party and directives from the German re-armament programs led to the proclamation of the Kriegsmarine in 1935, directly involving the Treaty of Locarno era politics and the Anglo-German Naval Agreement of 1935. Naval plans were influenced by strategic studies such as those by the Z-plan staff and personalities including Vizeadmiral Wilhelm Canaris and political leaders like Adolf Hitler and Hermann Göring.

Organization and Command Structure

Command of the Kriegsmarine was vested in the Oberkommando der Kriegsmarine and the office of the Großadmiral; organizational reforms reflected tensions between service chiefs and the OKW. Operational control of U-boat forces passed to the Befehlshaber der U-Boote, directed by Karl Dönitz, while surface fleet units answered to the Seekriegsleitung. Fleet commands were distributed among regional naval stations at Wilhelmshaven, Kiel, Warnemünde, and Kotor in the Adriatic. Interservice coordination involved liaison with the Luftwaffe for maritime air operations and the Kriegsmarinewerft yards for ship production.

Ships, Submarines and Aircraft

The Kriegsmarine operated a diverse order of battle including capital ships such as the battleships Bismarck and Tirpitz, heavy cruisers like Admiral Hipper and Prinz Eugen, pocket battleships such as Graf Spee and Admiral Graf Spee, and a large U-boat fleet exemplified by the Type VII submarine and Type IX submarine. Destroyer classes included Zerstörer 1934 types, while smaller craft encompassed Schnellboot motor torpedo boats and mine warfare vessels like the Sperrbrecher series. Naval aviation units flew aircraft such as the Arado Ar 196 and coordinated with Jagdgeschwader elements for convoy interdiction.

Operations and Campaigns

Kriegsmarine operations ranged from commerce raiding in the Battle of the Atlantic and the Operation Rheinübung sortie of Bismarck to amphibious and coastal actions during the Invasion of Norway and the Operation Weserübung. U-boat wolfpack tactics struck Allied convoys bound for United Kingdom and Soviet Union ports during campaigns such as Convoy SC 7, while surface raiders targeted shipping in the South Atlantic and Indian Ocean including engagements with ships like HMS Exeter. The Kriegsmarine supported Operation Barbarossa naval logistics in the Baltic Sea and fought defensive actions during the Battle of Narvik. Later-stage operations included the Arctic convoys interdicted by surface units based at Tromsø and submarine operations against Operation Overlord supply lines.

Personnel, Training and Doctrine

Personnel recruitment drew from the prewar Imperial German Navy traditions and naval schools at Mürwik Naval School and the Naval Academy Mürwik. Officer development combined sea commands on ships like Emden with staff education influenced by doctrines articulated by figures such as Erich Raeder and Karl Dönitz. Training establishments included U-boat schools at Kiel and the Friedland training ship programs, while enlisted training occurred at bases in Stralsund and Rostock. Doctrine emphasized surface action and unrestricted submarine warfare, guided by legal-political debates tied to the Nuremberg Laws era policies and directives from the Adolf Hitler leadership.

Technology, Industry and Logistics

German naval technology integrated advances from firms such as Blohm+Voss, Krupp, Howaldtswerke-Deutsche Werft, Friedrich Krupp Germaniawerft, and Deschimag. Construction programs relied on slipyards in Kiel and Wilhelmshaven, while logistics networks extended to occupied ports like Bordeaux for the Atlantikwall staging. Innovations included sonar developments related to ASDIC countermeasures, acoustic torpedoes like the G7e, snorkel adaptations to U-boats inspired by captured Royal Navy concepts, and radar applications delayed relative to Royal Navy advancements. Industrial bottlenecks arose from Allied strategic bombing by the Royal Air Force and United States Army Air Forces targeting shipyards and fuel supplies.

Legacy and War Crimes Impact

Postwar assessments of the Kriegsmarine examine operational accomplishments and culpability in naval warfare, including controversies over unrestricted submarine warfare during the Battle of the Atlantic and the use of naval assets in supporting deportations and operations that facilitated Holocaust logistics in the Baltic states. Survivors and commanders such as Karl Dönitz faced legal scrutiny at the Nuremberg Trials, where naval conduct was adjudicated alongside other German High Command responsibilities. Cold War naval scholarship in institutions like British Naval Historical Branch and U.S. Naval War College reevaluated tactics and technology, while museums at Deutsches Marinemuseum and memorials at Laboe Naval Memorial preserve artifacts and debates about the Kriegsmarine's place in 20th-century maritime history.

Category:Naval history of Germany