![German Industries and the U-boat offensive - Technical pages - German U- boats of WWII - Kriegsmarine - uboat.net German Industries and the U-boat offensive - Technical pages - German U- boats of WWII - Kriegsmarine - uboat.net](https://uboat.net/media/photos/industries_hertha.jpg)
German Industries and the U-boat offensive - Technical pages - German U- boats of WWII - Kriegsmarine - uboat.net
![German Industries and the U-boat offensive - Technical pages - German U- boats of WWII - Kriegsmarine - uboat.net German Industries and the U-boat offensive - Technical pages - German U- boats of WWII - Kriegsmarine - uboat.net](https://uboat.net/media/photos/industries_druck.jpg)
German Industries and the U-boat offensive - Technical pages - German U- boats of WWII - Kriegsmarine - uboat.net
![In WWII, when subs were submerged, but charging their batteries, was there a plume of diesel smoke? - Quora In WWII, when subs were submerged, but charging their batteries, was there a plume of diesel smoke? - Quora](https://qph.cf2.quoracdn.net/main-qimg-9a9b9056761deaab45408c5c46e4270a.webp)
In WWII, when subs were submerged, but charging their batteries, was there a plume of diesel smoke? - Quora
![The Nazis Ordered Their U-Boats to Fight Airplanes. It Was a Massive Mistake. | The National Interest The Nazis Ordered Their U-Boats to Fight Airplanes. It Was a Massive Mistake. | The National Interest](https://nationalinterest.org/sites/default/files/styles/desktop__1260_/public/main_images/germanubootondisplayatmuseumofnavalhistory_0.jpg?itok=CwESL179)
The Nazis Ordered Their U-Boats to Fight Airplanes. It Was a Massive Mistake. | The National Interest
![Battery compartment in a surrendered German U-boat. Possibly Type XB U-234 or Type IXD-2 U-873. A special trolley allowed sailors to slide over for maintenance. Portsmouth, New Hampshire, 1945 (1200x703) : r/WarshipPorn Battery compartment in a surrendered German U-boat. Possibly Type XB U-234 or Type IXD-2 U-873. A special trolley allowed sailors to slide over for maintenance. Portsmouth, New Hampshire, 1945 (1200x703) : r/WarshipPorn](https://preview.redd.it/battery-compartment-in-a-surrendered-german-u-boat-possibly-v0-ggfjwyuyyjr91.jpg?width=640&crop=smart&auto=webp&s=6007d71afbd64387ad5061e87b0e0f4e9435deae)
Battery compartment in a surrendered German U-boat. Possibly Type XB U-234 or Type IXD-2 U-873. A special trolley allowed sailors to slide over for maintenance. Portsmouth, New Hampshire, 1945 (1200x703) : r/WarshipPorn
![The German submarines now operating against the British fleet in the North Sea, Stock Photo, Picture And Rights Managed Image. Pic. MEV-10678605 | agefotostock The German submarines now operating against the British fleet in the North Sea, Stock Photo, Picture And Rights Managed Image. Pic. MEV-10678605 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/8f89e231a43ae42eb308a923eddf855e/mev-10678605.jpg)
The German submarines now operating against the British fleet in the North Sea, Stock Photo, Picture And Rights Managed Image. Pic. MEV-10678605 | agefotostock
![German Industries and the U-boat offensive - Technical pages - German U- boats of WWII - Kriegsmarine - uboat.net German Industries and the U-boat offensive - Technical pages - German U- boats of WWII - Kriegsmarine - uboat.net](https://uboat.net/media/photos/industries_accu.jpg)
German Industries and the U-boat offensive - Technical pages - German U- boats of WWII - Kriegsmarine - uboat.net
![Patrick Chovanec on Twitter: "The u-boat normally ran on the surface using its diesel engines (which needed oxygen and an exhaust outlet), reaching a much faster top speed of nearly 18 knots. Patrick Chovanec on Twitter: "The u-boat normally ran on the surface using its diesel engines (which needed oxygen and an exhaust outlet), reaching a much faster top speed of nearly 18 knots.](https://pbs.twimg.com/media/Dkm3At9XcAMvSV2.jpg)