Video
What happens to the Navys if the Washington Treaty is held off till 1927?
Study What happens to the Navys if the Washington Treaty is held off till 1927?, a Dr. Alex Clarke video from 2 Oct 2026, with 67 time notes. Topics include Aircraft Carriers, Alternate History, Capital Ships.
Time notes
- 0:00QuestionWhat happens if the Washington Naval Treaty is delayed by five years, until 1927?AnswerQ&A
The scenario allows the cancelled postwar capital ships to be built, encourages larger carriers and continued design development, and suggests a later treaty based on construction quotas. Younger fleets and preserved shipbuilding capacity would change the balance of power, although the political consequences remain uncertain.
- 1:12Two new battleships in exchange for four older shipsChapter
Article II ties new construction to scrapping, with Britain exchanging four older battleships for two postwar ships.
- 2:52National tonnage quotas and fleets of 35,000-ton shipsChapter
The national tonnage allowances translate into different fleet sizes when every replacement ship uses the 35,000-ton ceiling.
- 4:24Why 35,000 tons excludes the emerging postwar generationChapter
Hood and the designs being developed after the war show why a limit suited to existing ships constrains their intended successors.
- 6:11British war debt and the limits of financial compulsionChapter
The debt argument distinguishes Britain after the First World War from its much later financial circumstances.
- 8:53Reading treaty decisions through contemporary evidenceNotable Point
Projecting later financial conditions backwards can turn evidence into support for a conclusion chosen in advance.
- 9:38Budget surpluses and the promise of a land fit for heroesChapter
British revenue, expenditure and social promises frame treaty participation as a choice about spending priorities.
- 11:16Why debt pressure can damage diplomatic influenceNotable Point
Using debt to force a government into agreement can encourage repayment, distrust and a search for other lenders.
- 12:52Japan gains from war without the same debt burdenNotable Point
Japan’s wartime gains and arms exports complicate explanations that reduce treaty participation to debt.
- 13:40Why naval parity with Italy constrains FranceNotable Point
Equal naval allowances create unequal strategic demands when France must defend an empire as well as the Mediterranean.
- 14:47Ending the Anglo-Japanese alliance changes other relationshipsNotable Point
Ending the Anglo-Japanese alliance removes one concern for America while greater French dependence on Britain creates another.
- 15:32Peace promises and a pause to absorb wartime lessonsChapter
The treaty offers political cover for spending cuts and time to study wartime experience before renewed construction.
- 17:31The arms race moves into treaty cruisersNotable Point
Restricting battleships shifts competition toward cruisers built around the 10,000-ton and eight-inch limits.
- 17:55Carrier limits force choices between hull numbers and capabilityChapter
A useful carrier needs aircraft capacity and protection, while fleet-wide tonnage limits restrict the number that can be built.
- 20:34Treaty extensions and different expectations of peaceChapter
The treaty rests on expectations of lasting peace that governments and political factions do not share equally.
- 24:07How navies stretch treaty limitsNotable Point
Water used as protection and overweight Lexingtons illustrate the gap between numerical rules and competitive design practice.
- 25:25Italy’s advantage and France’s interrupted naval responseChapter
War losses, unstable governments and Congressional funding limits complicate claims about who benefits from the treaty.
- 27:19A seven-to-ten Japanese ratio and small capital shipsNotable Point
A larger Japanese allowance opens a speculative design exercise involving three small capital ships.
- 30:26Where historical counterfactuals hand over to wargamingNotable Point
Historical evidence supplies a scenario’s starting conditions; successive layers of supposition mark the point for wargaming to take over.
- 32:35Failed negotiations leave ships as bargaining countersChapter
France, Japan or Italy could reject the proposed ratios while continuing negotiations and building the postwar designs.
- 34:36New capital ships accelerate retirement of older vesselsNotable Point
Four G3s and accompanying cruiser orders could change the British fleet quickly, with the exact cruiser programme left open.
- 35:15Warship orders spread work across the economyNotable Point
Steel, machinery, fittings and furniture make warship construction a way to distribute employment across many trades and regions.
- 36:55Successor construction and pressure for 18-inch gunsNotable Point
Five more years could bring successor designs as well as the cancelled ships, while rival 18-inch weapons create political pressure in America.
- 38:41Armour and subdivision in fast battleships and battlecruisersNotable Point
Stronger battlecruiser armour can coexist with internal subdivision different from that of a fast battleship.
- 40:11The tentative case for Admiral-class carrier conversionsNotable Point
An archival reference to Cammell Laird’s carrier expertise prompts an inference about the unfinished Admiral-class hulls.
- 42:23British requirements for a large, survivable carrierNotable Point
British studies of a 27,000-ton carrier reflect air-group and protection requirements extending over a long service life.
- 43:53A new carrier based on the G3 hull formNotable Point
Fresh carrier construction could use a G3 hull design to provide size and speed without retaining the full battlecruiser armour scheme.
- 44:40Carrier fighters and the problem of warning before radarNotable Point
Visual warning and uncertain interception help explain shifts toward strike aircraft and aircraft with several roles.
- 45:36TSR and the distinction between observation and identificationNotable Point
TSR's contemporary expansion and a proposed distinction between reconnaissance and recognizance connect aircraft roles with confidence in identification.
- 46:45American and Japanese carriers without compulsory conversionsNotable Point
Completing capital ships changes which hulls are available for American and Japanese carrier development.
- 48:15Carrier funding still depends on sea trade and politicsNotable Point
Removing treaty limits leaves the political problem of paying for enough carriers.
- 48:53Japanese carriers support attrition before decisive battleNotable Point
Carriers fit an offset strategy that weakens the enemy before the main fleet engagement.
- 50:10Different carrier prospects for France and ItalyNotable Point
France might pursue another carrier route while Italy faces domestic opposition to acquiring one.
- 50:43British six-inch and 9.2-inch cruiser possibilitiesNotable Point
Without the treaty ceiling, Britain could combine an enlarged light cruiser with a larger, more heavily armed type.
- 51:38Why Italy might finish Francesco Caracciolo shipsNotable Point
Completing existing designs could keep Italy from falling years behind while it starts a new programme.
- 52:45Italian cruisers for overseas presenceNotable Point
Cruisers could carry Italy’s flag overseas while capital ships remain concentrated in the Mediterranean.
- 53:23Could 18-inch battleships leave room for 12-inch cruisers?Notable Point
Larger capital-ship weapons could widen the distinction between battleships and heavily armed cruisers.
- 54:25Destroyer authorisation is separate from fundingNotable Point
The Wickes and Clemson programmes could delay new American destroyers until foreign construction changes Congressional priorities.
- 55:33Cruiser submarines promise a cheaper commerce-warfare offsetNotable Point
Apparent savings and the ability to hide could attract cruiser-submarine orders despite poor operational prospects.
- 56:35Difficult submarine designs can advance ordinary submarinesNotable Point
Engineering complicated cruiser submarines could create useful technologies even when the completed vessels have little value.
- 57:34Gunfire can turn a cruiser submarine into a trapped surface vesselNotable Point
Damage to an unarmoured pressure hull can remove a submarine’s ability to dive and expose it to a steadier destroyer gun platform.
- 58:52Fast minelayers remain a postwar priorityNotable Point
The importance of minelaying in the First World War supports further work on fast minelayers.
- 59:15Shipyard investment also equips civilian buildersNotable Point
Machinery acquired for shipyard construction can later help civilian firms build roads, houses and factories.
- 1:02:39A race for better ships within political budgetsNotable Point
Completing large existing programmes does not imply that Congress will fund an unlimited increase in capital-ship numbers.
- 1:03:40Germany’s naval race competes with the army’s budgetNotable Point
Rising British ship costs put German naval ambitions into conflict with the army’s claims on funding.
- 1:04:48Different national motives sustain competition in better warshipsNotable Point
Japan’s numerical disadvantage, Italian Mediterranean ambitions and Anglo-American confidence in naval power support continued design competition.
- 1:05:59What follows G3, N3 and No. 13?Notable Point
Successor classes become the uncertain part of the scenario once the cancelled designs have been completed.
- 1:07:11Coolidge, naval aviation and warships as industrial ordersNotable Point
A different American administration changes the political and industrial setting for negotiations in 1927.
- 1:09:28Britain’s 1927 cabinet and competing defence choicesNotable Point
The cabinet discussion connects naval policy with Churchill’s spending choices, Singapore and Indian railway oversight.
- 1:11:29Ship orders generate tax receipts and protect employmentNotable Point
Shipyard wages and supplier orders circulate money through the economy and create constituencies with reasons to resist cancellation.
- 1:13:38A 1927 treaty based on construction quotasChapter
A later settlement could limit new ships over an agreed period and require an older ship to leave for each replacement.
- 1:15:44Existing large ships change a later displacement ceilingNotable Point
A world already containing 45,000-ton capital ships would negotiate from a different starting point.
- 1:16:25Twenty ships on paper do not mean twenty availableNotable Point
Possible twenty-to-fourteen fleet totals are explained through refits, training and the need for an operational advantage.
- 1:18:19A decade of continuous construction in improving pairsNotable Point
A hypothetical 1927-1937 settlement could regulate carriers and cruisers while allowing steady capital-ship construction.
- 1:19:30Replacement arithmetic leaves little room for older battleshipsNotable Point
Eight British G3s and N3s plus ten later ships would fill most of an illustrative twenty-ship fleet.
- 1:20:30Continuous building leaves more room to experiment with layoutsNotable Point
The counterfactual fleet need not reproduce historical battleship designs if successive classes keep testing different layouts.
- 1:21:22Yamato’s historical design loses its intended opponentsNotable Point
Replacing older standard battleships changes the comparison behind the familiar Yamato design.
- 1:22:31Deutschland’s raiding role and gun arrangement under stronger oppositionNotable Point
A stronger world battle fleet raises doubts about Deutschland’s long-range role and prompts criticism of its divided gun battery.
- 1:23:56Scharnhorst loses its escape margin against numerous fast battleshipsNotable Point
High speed is less reassuring when many opponents are also fast and carry much heavier guns.
- 1:24:48Continuous orders preserve a base for industrial expansionNotable Point
A working shipbuilding industry can expand for emergencies more readily than one rebuilt after a long shortage of orders.
- 1:25:59Larger carrier development changes the Yorktown pathNotable Point
Repeated construction alongside growing air power could lead to carriers with more armour and larger air groups.
- 1:26:57Built fleets make strength visible without guaranteeing peaceNotable Point
Continuous construction makes industrial capability visible and could give Britain and France stronger options during Hitler’s rise.
- 1:28:17Wealth and industrial potential take time to become capabilityNotable Point
Orders, delivery and crew training separate the ability to pay for equipment from the ability to use it.
- 1:29:54Japanese fear, stronger opponents and the smaller-war forecastNotable Point
Visible rival construction could change the Japanese pro-war faction's belief that war offered its only chance of success.
- 1:31:55A possible 2,500- to 3,000-ton destroyerNotable Point
The closing design sketch suggests larger destroyers, with extra displacement for eight guns and ten torpedoes.
- 1:32:35New orders could remove First World War ships from primary rolesNotable Point
Continued building reduces dependence on modernized veterans and could replace even Hood after a treaty expires.
- 1:33:56Warspite’s machinery helps explain its modernizationNotable Point
Warspite's distinctive as-built boiler and turbine combination provides one explanation for its early modernization.