Video

Patreon 58: Ruse de Guerre or Deception, disguises and decoys in naval warfare

Study Patreon 58: Ruse de Guerre or Deception, disguises and decoys in naval warfare, a Dr. Alex Clarke video from 21 Jul 2022, with 70 time notes. Topics include Age Of Sail, Commerce Raiding, Electronic Warfare.

Date
Runtime3:02:11
Guide points70 time notes

Time notes

  1. 9:32
    Salamis turns Persian numbers into congestion

    The Greek retreat into confined water induces the larger Persian fleet to enter a channel where its numerical advantage cannot deploy.

    Chapter
  2. 11:57
    QuestionDo deceptive naval-treaty manoeuvres count as ruse de guerre?Answer

    No; they are better understood as diplomatic ruses rather than ruses of war.

    Q&A
  3. 12:14
    Paint and maintenance complicated age-of-sail identification

    Flexible paint schemes and the practical need to protect wooden hulls made national appearance an imperfect guide to a sailing ship's identity.

    Notable Point
  4. 13:30
    QuestionWhy did the Persians not move embarked troops forward to reinforce the ships fighting at Salamis?Answer

    The congested fleet made that transfer extremely difficult, and Persia did not manage to feed those troops into the fighting front.

    Q&A
  5. 13:45
    Merchant gunports could conceal a manpower weakness

    Real gunports and carronades could make a merchantman look formidable, but its smaller crew sharply limited how much of that apparent fighting power it could use.

    Notable Point
  6. 14:56
    The honor of a ruse depends on who tells the story

    Successful deception is often praised by the victor and condemned by the defeated, making later judgments about chivalry inseparable from perspective.

    Notable Point
  7. 16:26
    Ancient generalship expected stratagems

    Greek ideas of command included stratagem, complicating the stereotype that ancient armies merely formed orderly ranks and pushed straight ahead.

    Notable Point
  8. 17:16
    What makes a naval ruse legitimate

    The framework defines ruse de guerre, distinguishes lawful deception from prohibited conduct, and explains why uncertainty forces commanders to spend scarce resources.

    Chapter
  9. 21:44
    QuestionHow could the Persians have avoided defeat at Salamis?Answer

    Use fire ships to force the Greeks out of the confined position, then wait outside rather than entering the trap.

    Q&A
  10. 25:18
    QuestionWhy can a tactic such as deliberately seeking stalemate make strategic sense?Answer

    Because the opponent may be pursuing a different end goal, so behavior that looks irrational under your objective can be rational under theirs.

    Q&A
  11. 28:46
    Black Bart challenges navies and chartered companies

    Bartholomew Roberts captures hundreds of vessels and even company warships, prompting both Britain and France to pursue a pirate force operating at near-naval scale.

    Chapter
  12. 32:22
    Pirate speed depended on careening and illicit supply

    Roberts uses Cape Lopez to clean and repair his hulls while a merchant supplier provides the rope, canvas, tar, food, drink, and timber that independent raiders could not produce themselves.

    Notable Point
  13. 33:58
    HMS Swallow lures Black Bart's squadron apart

    Captain Chaloner Ogle disguises HMS Swallow as a clumsy Portuguese merchantman, isolates a pirate consort, and returns behind the captured vessel to surprise Bartholomew Roberts.

    Chapter
  14. 39:56
    Accounts disagree over Black Bart's burial

    Bartholomew Roberts was buried at sea in his finery, but accounts differ over whether Ogle permitted the rite or the pirates completed it during the action.

    Notable Point
  15. 40:55
    Cape Lopez ends in execution, servitude, and re-enslavement

    The captured pirate crew meets sharply different fates, including execution, imprisonment, company servitude, acquittal through coercion claims, and the re-enslavement of Africans whom Roberts had freed.

    Notable Point
  16. 43:57
    QuestionDid Roberts's pirates slow down to avenge their captain, or were they unable to escape because the wind failed?Answer

    Being becalmed is more likely, although the story of a deliberate last stand sounds more heroic.

    Q&A
  17. 44:51
    QuestionDid switching Bismarck and Prinz Eugen's positions before the Denmark Strait action count as a ruse de guerre?Answer

    Yes; it was designed to confuse British identification, although it did not work very well.

    Q&A
  18. 45:13
    QuestionHow was Captain Hill treated after trading with Roberts's pirates?Answer

    He could get away with profiting from the trade so long as he did not personally cross into piracy.

    Q&A
  19. 47:16
    QuestionWere there diplomatic consequences for warships using another country's flag as a ruse?Answer

    Usually little, because intent was difficult to prove; in Ogle's case the Portuguese flag and ship-handling plainly suggest a planned deception.

    Q&A
  20. 50:18
    The China Fleet carries immense value with one brig for escort

    Twenty-nine merchantmen carrying extraordinarily valuable Far Eastern trade face a French ship of the line and escorts with only the company brig Ganges as a purpose-built warship.

    Chapter
  21. 55:35
    Pulo Aura builds on earlier convoy bluffs

    Paint, carpentry, blue ensigns, and frigate-style signal repeating draw on East Indiaman deceptions that had already deterred French and Franco-Spanish squadrons in 1797 and 1799.

    Notable Point
  22. 58:08
    Pulo Aura: merchantmen bluff a French squadron

    Nathaniel Dance makes armed East Indiamen look and behave like a Royal Navy battle line, then attacks and chases a stronger French squadron until it withdraws.

    Chapter
  23. 1:10:50
    Pulo Aura's bluff risked merchant hulls and cargo

    Dance's leading ships were cargo-laden merchantmen with lighter construction and at most 36 18-pounders each, yet they chased a French 74 and its escorts.

    Notable Point
  24. 1:12:18
    Master and Commander visualizes a full ship disguise

    A film example shows how paint, canvas, patched sails, deck clutter, smoke, a reduced visible crew, and a plausible Portuguese identity combine to turn a warship into apparent prey.

    Notable Point
  25. 1:15:45
    QuestionWere Dance's leading East Indiamen meant to sacrifice themselves so the rest of the convoy could escape?Answer

    No; although they could have become a screen if necessary, Dance intended their aggressive bluff to drive the French squadron off.

    Q&A
  26. 1:20:06
    QuestionWere East Indiamen generally faster than warships?Answer

    No; warships were often faster because of coppered hulls, larger sail-handling crews, more canvas, and the merchantmen's heavy cargo loads.

    Q&A
  27. 1:22:19
    Historians are trained to test biased sources

    The defense of historical training centers on recognizing partial, deceptive, or self-serving evidence rather than accepting a source at face value.

    Notable Point
  28. 1:25:07
    Warren reverses the Pulo Aura disguise

    In 1806 British ships of the line scatter like a badly handled merchant convoy, drawing Admiral Linois close enough for HMS London and the squadron to trap him.

    Chapter
  29. 1:33:35
    QuestionHow important was an advantage of roughly ten guns per side?Answer

    Gun count matters, but heavier weapons may matter more, so the numerical difference alone is incomplete.

    Q&A
  30. 1:33:57
    QuestionWhere was Linois's French squadron based?Answer

    It operated principally from Mauritius and other ports as the French Indian Ocean squadron.

    Q&A
  31. 1:34:22
    QuestionHow did Amazon inflict decisive damage on Belle Poule while causing relatively few casualties?Answer

    She damaged the French frigate's rigging and mobility rather than relying on casualty-heavy hull destruction.

    Q&A
  32. 1:35:14
    Broadside superiority grows as guns and crews are lost

    A second rate's extra and often heavier guns, higher deck, and ability to clear exposed positions turn an initial numerical margin into cumulative superiority.

    Notable Point
  33. 1:37:00
    Wooden guns make Asahi look combat-ready

    Japan fits the former battleship Asahi with wooden guns so a troop-carrying hull still appears to bring battleship protection into a Chinese harbor.

    Notable Point
  34. 1:41:11
    QuestionWhy were some pre-dreadnoughts converted into repair, depot, stores, ammunition, cargo, or test ships?Answer

    Their large stable hulls remained useful, and their triple-expansion engines were relatively economical to run.

    Q&A
  35. 1:42:30
    Operation Chariot deceives its way to the dock gate

    Captured signals, German colors, recognition flares, and Campbeltown's altered silhouette delay identification until the raiders are a mile from the Normandie Dock.

    Chapter
  36. 1:47:45
    QuestionHow did photographs of Campbeltown at the dock gate survive if the destroyer was packed with explosives?Answer

    The delayed fuse left the wreck intact for hours, so German personnel photographed it before the concealed charge detonated.

    Q&A
  37. 1:48:31
    QuestionDid sending Campbeltown into St Nazaire continue the older tradition of gunpowder-filled fire ships?Answer

    Yes; it was a modern continuation of using the ship itself as an explosive weapon against an enemy fleet or position.

    Q&A
  38. 1:50:21
    Delayed charges keep St Nazaire in crisis

    Campbeltown's late explosion and delayed motor-torpedo-boat weapons turn apparent German control into casualties, panic, searches, and friendly fire long after the raiders have left.

    Notable Point
  39. 1:52:04
    Why disabling the Normandie Dock mattered

    Removing an Atlantic repair base limits German capital-ship options and reduces the Royal Navy's need to cover another raiding route with several heavy units.

    Notable Point
  40. 1:54:43
    Treaty labels did not make capital ships equivalent

    Treaty categories could group heavy warships together, but battlecruisers, battleships, and fast battleships still differed sharply in protection and staying power.

    Notable Point
  41. 1:57:35
    QuestionWhen did the Normandie Dock return to service after Operation Chariot?Answer

    It was unavailable throughout the war, functional again in 1948, and recommissioned in 1950.

    Q&A
  42. 1:58:35
    QuestionWas it reasonable for the Germans to assume Campbeltown had only rammed the dock gate rather than carrying a delayed bomb?Answer

    No; the low-probability but catastrophic alternative demanded verification before the wreck was treated as safe.

    Q&A
  43. 2:00:19
    QuestionIf Operation Chariot had not attacked St Nazaire, would Britain have tried another way to disable the Normandie Dock?Answer

    Yes; RAF bombing and offshore battleship bombardment were considered before the destroyer-and-commando raid was judged the best workable option.

    Q&A
  44. 2:01:08
    Bomb disposal treats an unexploded weapon as live

    An unexploded charge remains dangerous until specialists make it safe, so Campbeltown should have been isolated even if its fuse appeared to have failed.

    Notable Point
  45. 2:04:16
    QuestionWould earthquake bombs have made the Normandie Dock harder to repair?Answer

    Somewhat, but they were unavailable at the time and damaging the dock floor was less decisive than destroying the entrance gate.

    Q&A
  46. 2:05:39
    QuestionWas destroying the Normandie Dock's pumping machinery also important?Answer

    Yes; commandos demolished the pumping gear while Campbeltown attacked the gate.

    Q&A
  47. 2:06:18
    Graf Spee alters her identity at sea

    The German raider changes visible features to resemble an American cruiser or another warship, using physical misidentification to complicate reports of her movements.

    Notable Point
  48. 2:06:50
    QuestionDid the British cruisers' approach at the River Plate deceive Graf Spee about what she was facing?Answer

    Yes; Langsdorff initially read Exeter and the two Leander-class cruisers as a light cruiser and two destroyers.

    Q&A
  49. 2:07:49
    Disguised raiders stretch British protection worldwide

    Merchant-hulled auxiliary cruisers exploit long range and uncertain position to threaten trade where early-war submarines cannot reach and force Britain to disperse escorts globally.

    Chapter
  50. 2:09:30
    Harwood predicts Graf Spee's River Plate move

    Commodore Henry Harwood turns regional knowledge into a calculated interception, but maintenance leaves his most powerful cruiser absent when Graf Spee arrives.

    Notable Point
  51. 2:15:02
    World War I raiders supply the German precedent

    The auxiliary-cruiser campaign of World War II draws on German raider experience from World War I, when ships such as Seeadler tied down British forces and raised commercial costs.

    Notable Point
  52. 2:19:57
    QuestionDid rate of fire matter more than shell size in some naval battles?Answer

    Yes; the Royal Navy often favored triple 6-inch turrets because their rate of fire could deliver more explosive on target than 8-inch guns.

    Q&A
  53. 2:20:47
    QuestionWhat happened to Admiral Scheer by the end of World War II?Answer

    She reached Kiel after Baltic operations, was destroyed by RAF bombing, and remains buried beneath the harbor area.

    Q&A
  54. 2:23:00
    A naval architect learned the whole shipyard

    A personal example pairs Cambridge study with a Cammell Laird apprenticeship that progresses through carpentry, welding, and drafting before producing a fully grounded naval architect.

    Notable Point
  55. 2:24:06
    QuestionHow much did losing Hood affect the Royal Navy's ability to counter German surface raiders?Answer

    Her speed was valuable, but the deeper problem was inadequate prewar refit funding and too few modernized heavy ships to cover every possible route.

    Q&A
  56. 2:27:25
    QuestionDoes a raider's high speed become useless when the merchant convoy is escorted by a slower battleship?Answer

    Largely yes; the escort stays with the convoy, and even a victorious raider may be damaged badly enough that it cannot evade later British forces.

    Q&A
  57. 2:29:28
    QuestionDid Stanley Goodall consider refitting Hood not worthwhile compared with building a new ship?Answer

    He preferred new construction, but his full discussion supported refitting Hood when replacements could not arrive soon enough.

    Q&A
  58. 2:31:43
    QuestionCould Renown have hunted Bismarck instead and freed Hood for refit?Answer

    Not simply; Renown had other operational commitments, and the Bismarck hunt did not occur in isolation.

    Q&A
  59. 2:32:25
    QuestionIs there a cost-of-raider versus merchant-tonnage-sunk ratio that determines whether commerce raiding is worthwhile?Answer

    No simple ratio works, because the raider also delays and reroutes trade and ties up warships, crews, fuel, ammunition, and other resources.

    Q&A
  60. 2:33:57
    QuestionWhat did other navies take away from the Battle of Jutland?Answer

    Each navy conducted its own study, and the U.S. Navy in particular repeatedly analyzed and refought the battle.

    Q&A
  61. 2:34:21
    HMS Abdiel's radio traffic invents a battle squadron

    Abdiel races between positions while captain and executive officer transmit both sides of a false conversation, persuading Italy that two British battleships are at sea.

    Notable Point
  62. 2:39:30
    Bodyguard projects invasion fleets away from Normandy

    Small craft, false armies, radio traffic, dummy forces, and Lancaster-dropped chaff create apparent invasion threats from Norway to the Pas-de-Calais.

    Chapter
  63. 2:40:44
    Repeated troop columns counterfeit a larger army

    Civil War and War of 1812 examples reuse the same troops within an observer's limited view, creating the apparent strength needed to delay or intimidate a larger enemy.

    Notable Point
  64. 2:42:22
    Fortitude gives false invasions their own armies

    The fictitious First U.S. Army Group supports the Pas-de-Calais story while a less famous British Fourth Army based around Edinburgh sustains the threat to Norway.

    Notable Point
  65. 2:47:24
    Bodyguard measures and refines its radar illusions

    Small craft and Lancaster-dropped chaff create apparent flotillas, while Ultra reveals German reactions so later deceptions can be adjusted when an illusion fails.

    Notable Point
  66. 2:49:08
    QuestionHave satellites and modern communications taken surprise out of naval warfare?Answer

    No; limited and partly predictable surveillance coverage still permits strategic surprise and sometimes tactical surprise.

    Q&A
  67. 2:50:34
    Why Britain faked R-class battleships and Hermes

    Merchant conversions and HMS Iron Duke impersonate plausible second-tier capital units that matter operationally but are not tracked as closely as Ark Royal or a Queen Elizabeth.

    Notable Point
  68. 2:52:44
    Modern deception hides inside too much information

    Electronic warfare can suppress emissions, imitate other forces, and overload surveillance systems with plausible contacts rather than simply denying data.

    Chapter
  69. 2:54:24
    Q-ships change the submarine warning calculus

    Disguised Flower-class sloops exploit submarines that surface to conserve torpedoes, but the tactic encourages attackers to torpedo merchantmen without warning.

    Chapter
  70. 2:56:21
    Algorithms create new limits for deception to exploit

    As armed forces rely on automated tools to sort expanding sensor feeds, an opponent can study those tools' limits and design false information that survives their filters.

    Notable Point