Naval Historywith Dr. Alex

Topic

Type XXI U-Boat

Also searchable as Type Xxi, Type XXI Submarine, Type XXI Submarines, Type XXI U-Boats, Type Xxi Uboat.

Related time notes

  1. Bruships 257: Alternate History & Naval History Questions Answered Live...
    2:08:35The Type XXI's postwar influence varied by navyQ&A
  2. What happens if WWII took place as scheduled... after 1942? (Patreon)
    2:27:59Why Type XXI is unlikely by 1942Q&A
  3. Nazi Destroyers of WWII: Failing to Learn, Failing to Build, Failing to Deliver...
    53:30Why a submarine-only threat was easier to counterNotable Point
  4. Nazi Destroyers of WWII: Failing to Learn, Failing to Build, Failing to Deliver...
    54:19A thousand Type XXI boats in 1939 would still need basesNotable Point
  5. WWI delayed by six years? What would the Navies look like? (Patreon Alternate History)
    2:55:50The Type XXI faced a 1945 anti-submarine systemQ&A
  6. Special Catch Up Ramblings on Behalf of @TheFleetOfOceans
    2:16:20Type XXI knowledge in 1936Q&A
  7. If WWII is delayed, what do the Warships of the 1950s look like?
    59:47Institutions decide whether design talent reaches the fleetNotable Point
  8. Operation Deadlight(not Deadbeat)... scuttling U-Boats(Live)
    40:49Surrender ports map the surviving U-boat fleetNotable Point
  9. Operation Deadlight(not Deadbeat)... scuttling U-Boats(Live)
    1:15:23Why the Allies agreed to destroy most surrendered U-boatsChapter
  10. Operation Deadlight(not Deadbeat)... scuttling U-Boats(Live)
    1:31:15Why Type XXIII boats threatened Channel supplyNotable Point
  11. Operation Deadlight(not Deadbeat)... scuttling U-Boats(Live)
    1:39:00U-3514 and Deadlight weapons testsChapter
  12. Operation Deadlight(not Deadbeat)... scuttling U-Boats(Live)
    1:53:17What the Royal Navy learned from Type XXI and Type XXIII boatsQ&A
  13. Tragedy & Revenge/Wolfpack... Key Books!
    44:21Modular production undermined Type XXI and XXIII boatsChapter
  14. Tragedy & Revenge/Wolfpack... Key Books!
    46:41Type XXI ambition could not overcome logistics and ASW massNotable Point
  15. Tragedy & Revenge/Wolfpack... Key Books!
    48:34Air raids and the Rhine advance disrupt U-boat assemblyNotable Point
  16. Building the Royal Canadian Navy for WWII
    34:14River frigates arrived for the late-war fightChapter
  17. 36hrs Live Historiophon 2025: P9 of 9 - A Movie Star in the Making: HMS Portchester Castle
    5:22:45Why surviving U-boats are an uneven sample of the wartime fleetNotable Point
  18. 36hrs Live Historiophon 2025: P9 of 9 - A Movie Star in the Making: HMS Portchester Castle
    6:05:16Type XXI influence, convergence, and modular constructionQ&A
  19. Historiophon 2025: part 4 of 9 - Fly Navy Heritage Trust
    1:36:03How an early Type XXI could accelerate Allied ASWQ&A
  20. Historiophon 2025: part 4 of 9 - Fly Navy Heritage Trust
    1:41:33Would an early Type XXI prompt British intervention?Q&A
  21. Bruships 196: Naval History Questions Answered Live...
    1:49:27Why the Type XXI U-boat was evolutionary rather than revolutionaryQ&A
  22. Bruships 193: Naval History Questions Answered Live...
    2:00:22Could Germany have fielded true submarines earlier?Q&A
  23. Bruships 192: Naval History Questions Answered Live...
    3:06:25Which wartime submarine programs misused scarce resources?Q&A
  24. Bruships 187: Naval History Questions Answered Live...
    3:34:52When underwater performance began to define submarinesQ&A
  25. Bruships 185: Naval History Questions Answered Live...
    4:16:27Why choose Scharnhorst as Germany's best wartime naval design?Q&A
  26. Bruships 182: Naval History Questions Answered Live...
    3:15:21Which late-war ship class would matter most at the start of World War II?Q&A
  27. Battle of the Barents Sea: Naval History Live
    3:26:28Why new U-boats could not replace lost command experienceNotable Point
  28. Bruships 175: Pre- Christmas Party 2024
    1:26:06Why German standardization required design discipline, not just standardsQ&A
  29. Anti Submarine Warfare, a primer history & overview
    1:35:09Submarine communications sacrifice stealth for coordinationChapter
  30. Questions, Flower Class & the Essay Competition: First 9 of the 36hr Historiophon Part 1/4
    5:54:22Why mass British sloop building would not automatically produce Type XXIQ&A
  31. Bruships 167: Tell me why, everything turned book – packing up, stacking up is all kalax want to do.
    2:40:49A Type XXI surfacing in the PotomacQ&A
  32. Bruships 167: Tell me why, everything turned book – packing up, stacking up is all kalax want to do.
    3:26:44Anechoic tiles on a Type XXI in the Second World WarQ&A
  33. Bruships 164: Is this Book life? Is this just a library?Caught in a landslide, no Kallax for safety!
    2:48:26Why submarine diesels do not scale directly into a battleshipQ&A
  34. The Drivers of the Evolution of Carrier Air Groups...
    1:55:29Gibraltar's current exposed the limits of early submarinesChapter
  35. What changes if Helicopters are at their third generation in 1939?
    0:17Why useful helicopters were technically plausible before World War IIChapter
  36. What changes if Helicopters are at their third generation in 1939?
    4:38Dutch submarine research shapes the Type XXI pathNotable Point
  37. What changes if Helicopters are at their third generation in 1939?
    1:14:03Helicopter convoys overwhelm surface-operating U-boatsChapter
  38. 'S' Class Submarines: The Royal Navy's All Rounders for WWII - Key Ship Series 7 Ship 7
    1:13:15Seraph simulates the Type XXI for Allied anti-submarine trialsNotable Point
  39. HMS Dreadnought: Key Ship Series 1 Ship 1 Comment Response
    8:12What makes an amphibious, submarine, or Aegis ship pivotal?Chapter
  40. Alternate History - Royal Navy retains the Fleet 'units' of Royal Naval Air Service: Patreon 76
    2:59:53How U-boats might answer continuous carrier air coverQ&A
  41. Soviet Navy 1918-1991
    2:40:57Whiskey-class submarines turned wartime lessons into mass productionChapter
  42. Soviet Navy 1918-1991
    2:43:00Was the Whiskey class based on the Type XXI?Q&A
  43. Escort Carriers, the idea, designs, development and some notable operations
    23:19Escort carriers anchor the Royal Navy's late-war ASW systemChapter
  44. Major Axis Navies: Five Problems & How to Fix them in January 1942
    11:40A submarine-only Kriegsmarine simplified Allied defenceChapter
  45. Major Axis Navies: Five Problems & How to Fix them in January 1940
    33:44Combined threats overload defenses from 1940 to todayNotable Point
  46. Major Axis Navies: Five Problems & How to Fix them in January 1939
    6:22Why famous weapons distort fleet historyNotable Point
  47. Giussano Class: Regia Marina's First Condottieri (Long Patrol)
    1:06:14A Type XXI coastal campaign might have multiplied disruptionNotable Point
  48. Equitable London Treaty: Sloops & Other Ships (Long Patrol)
    47:43Submarine war shifts from quantity to technologyNotable Point
  49. Bruships 78: Favourite Cruisers A Discussion...
    3:27:15From Type XXI lessons to a true postwar submarineChapter
  50. Patreon 48: Anglo-Japanese War in Feb 39 - if Tsingtao Incident goes "hot", what's IJN doctrine?
    3:09:28Would Germany reach the Type XXI before war in Europe?Q&A
  51. Karl Dönitz (on his Birthday) - how capable an Admiral was he?
    43:02Why cramped submarines slow construction and upkeepQ&A
  52. Bruships: A Special - Questions/What ifs till the Bru runs out? (6)
    58:54AIP numbers versus Elektroboot performanceQ&A
  53. Bruships: A Special - Questions/What If's till the Bru runs out? (5)
    1:06:39Type XXI submarines and the Allied escort problemQ&A
  54. Battle of the Atlantic: Escort Procurement - Comment Response
    24:28Why Type XXI boats would still face a growing escort forceQ&A
  55. Bruships: A Special - Questions/What If's till the Bru runs out?
    1:39:06Earlier Type XXI submarines complicate the Atlantic battleQ&A
  56. Bruships 37: New Books & Some More Transactions of the Institute of Naval Architects
    1:09:30Industrial foundations of American wartime shipbuildingChapter
  57. Bruships 37: New Books & Some More Transactions of the Institute of Naval Architects
    1:11:14Why Type XXI modular production failedChapter
  58. A bit more on RN Destroyers - The Hunt for the Bismarck
    43:18Piorun's extensive service after the Bismarck huntQ&A