Video
What if HMS Indomitable replaced Prince of Wales in Force Z?
Study What if HMS Indomitable replaced Prince of Wales in Force Z?, a Dr. Alex Clarke video from 27 Feb 2025, with 57 time notes. Topics include Alternate History, Force Z, HMS Indomitable.
Time notes
- 3:23Why Force Z sailed without HMS IndomitableChapter
HMS Indomitable was the carrier intended for the Far East, but a grounding accident delayed her deployment by roughly six weeks.
- 6:41How early-war carrier decisions weakened the Far East deploymentChapter
Paused construction, carrier losses, and heavy operational use reduced the Royal Navy's ability to send a balanced force east in 1941.
- 6:47Why cruiser deterrence left Britain's battle-fleet strength uncertainNotable Point
Cruisers maintained a British presence in East Asia while leaving Japan uncertain about the larger fleet Britain could send.
- 12:35Ark Royal's loss, deferred refit work, and counterfloodingNotable Point
Deferred maintenance and the loss of specialist damage-control experience form part of the explanation for Ark Royal's loss.
- 13:36How cruiser withdrawals weakened Britain's Far East deterrentNotable Point
British cruisers had sustained a visible Far East presence, so wartime losses and redeployments made deterrence less credible before Force Z arrived.
- 15:41Deterrence, Singapore, and the composition of Force ZChapter
Force Z's forward deployment signaled resolve but exposed an incomplete formation built around Prince of Wales, Repulse, and too few escorts.
- 19:28The U.S. destroyers that might have reinforced Force ZNotable Point
Carrier-equipped Force Z could plausibly gain U.S. Destroyer Division 57 as well as a Royal Navy AA cruiser and additional destroyers.
- 23:59What Prince of Wales and Repulse actually brought to Force ZNotable Point
Prince of Wales was a repaired modern battleship and Repulse a fast, useful if incompletely modernized battlecruiser, so Force Z's weakness lay in force balance rather than the basic capability of its ships.
- 27:53Why pausing warship construction also congested shipyardsNotable Point
Half-built capital ships and carriers continued occupying slips and fitting-out space even when construction stopped.
- 31:01Tom Phillips's destroyer career and decision to sortieNotable Point
Tom Phillips's destroyer and staff background complicates the familiar picture of him as a hidebound battleship admiral.
- 34:53How carrier fighters were meant to break up an air strikeChapter
Carrier fighters, heavy AA, close-range weapons, and ship maneuver formed successive layers against a coordinated bomber attack.
- 43:01Why Japanese supply shipping made Force Z's sortie rationalChapter
Interdicting Japanese transports offered a real chance to slow the Malayan advance by denying food and artillery ammunition.
- 48:19The fatal ambiguity over air support for Force ZNotable Point
The Navy heard that no air support existed, while the Air Force meant that no strike aircraft were available even though fighters stood ready.
- 52:08How a call-sign question gave a misleading impression before JutlandNotable Point
Locating a commander's usual call sign could produce the wrong impression of his movements when he used a different signal at sea.
- 53:38What TSR meant for the Fairey SwordfishNotable Point
TSR described the Swordfish's combined torpedo, spotting, and reconnaissance roles.
- 54:37Why the historical Japanese strike overwhelmed Force ZChapter
Eighty-eight highly trained Japanese aircraft attacked without an opposing fighter layer and saturated the ships from multiple directions.
- 1:02:35Why armored carriers had to keep operating after hitsNotable Point
Armored carriers were intended to accompany the battle fleet and continue operating after taking hits.
- 1:03:28How avoiding Indomitable's grounding changes Force ZNotable Point
Avoiding one grounding puts Indomitable in the Far East without cancelling another major historical mission.
- 1:08:36QuestionCould reserve warships simply be stored on mud banks?AnswerQ&A
Suitable sites were limited, and ships stored there still needed protection from enemy aircraft.
- 1:09:06QuestionWhere were the Hawkins-class cruisers deployed before December 1941?AnswerQ&A
They undertook cruiser duties around the world, including on the North America station and occasionally in the Far East.
- 1:09:32QuestionShould Force Z have had at least one cruiser for each capital ship?AnswerQ&A
That would be reasonable, with perhaps three cruisers if a carrier joined, although Force H had operated successfully with one cruiser, one capital ship, and one carrier.
- 1:10:41QuestionCould the defense review result in more aircraft carriers?AnswerQ&A
Reversing the decision on Albion and Bulwark is the preferred near-term option; an increase in carriers is left unresolved.
- 1:11:06QuestionWhat if HMS Indomitable replaced Prince of Wales in Force Z?AnswerQ&A
Prince of Wales is assumed to ground instead, so Indomitable deploys with the faster Repulse and gives Force Z organic fighters, reconnaissance, and strike aircraft.
- 1:13:56Reconstructing Indomitable's likely December 1941 air groupChapter
A plausible air group combines Fulmar and Sea Hurricane fighters with Albacore strike aircraft rather than borrowing a later 1942 fit.
- 1:20:16How Indomitable could sustain a combat air patrolNotable Point
Rotating airborne, deck-alert, hangar-alert, and maintenance groups would keep fighters over Force Z and launch reinforcements quickly.
- 1:23:13Sea Hurricanes could use Indomitable's liftsNotable Point
Non-folding wings made routine hangar storage inefficient, even though Sea Hurricanes could be taken below for maintenance.
- 1:25:03Phillips's flagship problem and the possible addition of RenownNotable Point
Phillips would probably command from Repulse while depending on Indomitable for radar and much of the force's wider communications.
- 1:29:26Could Indomitable also bring the Australian fighters into battle?Notable Point
Carrier fighter-control traffic could reveal that Force Z was under attack and prompt the land-based Buffalo squadron to respond.
- 1:32:03QuestionDid Royal Navy and RAF fighter control use the same radio frequency?AnswerQ&A
They monitored one another's frequencies and could coordinate their fighter operations.
- 1:32:38Why Indomitable probably saves Force Z from the air attackChapter
Radar-directed Fulmars and Sea Hurricanes could disrupt the Japanese strike before it delivered the coordinated torpedo attacks that sank the historical ships.
- 1:35:27A surviving Force Z changes ABDA naval concentrationChapter
A carrier-capital-ship core encourages Allied cruisers, destroyers, submarines, and reinforcements to concentrate rather than disperse.
- 1:40:02QuestionWould Singapore still fall if Indomitable and Repulse survived with Force Z?AnswerQ&A
Probably not in this scenario, because carrier reconnaissance and repeated attacks on Japanese supply shipping could halt the Malayan advance while Allied naval and land forces reinforce Singapore.
- 1:40:55How Albacores could attack transports in shallow anchoragesNotable Point
Royal Navy torpedo modifications let carrier aircraft threaten Japanese supply ships even in shallow harbors.
- 1:45:19How Force Z's survival could transform the Battle of the Java SeaNotable Point
A surviving Force Z could draw Formidable, Warspite, and possibly Renown and a repaired Prince of Wales to Singapore, giving ABDA a carrier-and-capital-ship core to support its cruisers.
- 1:48:10How Operation C could become an Allied-Japanese fleet confrontationChapter
Japan eventually needs a Kido Butai-scale operation, while British night strikes and American daylight strikes offer a complementary Allied response.
- 1:50:27QuestionCould Singapore or Australia supply the ammunition and replacement guns needed by a reinforced fleet?AnswerQ&A
Singapore held stocks, and the Royal Navy could move shells and replacement gun barrels around the world in convoys even without local heavy-gun production.
- 2:07:00QuestionWhy did the Royal Navy reuse names associated with captured French ships or British defeats?AnswerQ&A
Captured names became part of Royal Navy tradition, while many commemorated defeats were Army reverses that also supported interservice humor.
- 2:09:44QuestionBetween Norway and Singapore, which offered the greater number of missed opportunities?AnswerQ&A
Norway, because Allied success there could have damaged German sea power, iron-ore access, and U-boat operations for the remainder of the European war.
- 2:10:41QuestionIs the U.S. Navy reluctant to reuse a name such as William D. Porter?AnswerQ&A
Probably not. Modern naming policy honors many notable people on destroyers, while larger ships are more often reserved for states, presidents, or senior political figures.
- 2:11:43QuestionIf Force Z included a carrier, would the Japanese attack immediately or wait for fighter cover?AnswerQ&A
They would probably attack immediately because fighter cover was unavailable at that range and their training emphasized aggressive massed attacks against valuable ships.
- 2:13:59QuestionIf Japan were stopped short of Dutch East Indies oil, would it be defeated by mid-1942 for lack of fuel?AnswerQ&A
Probably not by mid-1942. Home stockpiles would sustain resistance, but fuel shortages could bring contraction forward and possibly end the war in 1943.
- 2:17:48QuestionWould the ships recover downed pilots from either side?AnswerQ&A
The Royal Navy would recover them. Japanese recovery arrangements are less certain.
- 2:18:00QuestionIf Japan failed to capture Dutch East Indies oil, would Yamato stay near the home islands?AnswerQ&A
Probably yes; oil scarcity would sharply constrain major fleet movements, while submarines from Singapore could further isolate Japanese-held territory.
- 2:19:10QuestionWould Courageous and Glorious surviving change Ark Royal's fate?AnswerQ&A
Possibly: they could share operational demand, let Ark Royal refit, and add aircraft to major strikes, reducing the conditions that contributed to her loss.
- 2:20:20QuestionCould a Supermarine Walrus land on the water, pick up a pilot, and then return to an aircraft carrier?AnswerQ&A
Yes. Walruses were used as carrier search-and-rescue aircraft and could recover pilots from the sea before landing back aboard.
- 2:22:01A Taranto exercise shows why dive bombers matteredNotable Point
In repeated Taranto exercises, torpedo bombers alone do not sink Giulio Cesare; adding Ark Royal's Skuas works only when the dive bombers concentrate on her.
- 2:23:58Could Japan rush a smaller carrier force south?Notable Point
A rapid Japanese carrier response is possible, but a preference for overwhelming concentration makes a larger operation more likely.
- 2:25:20QuestionIf Japan or Italy left the war earlier, would Britain still build postwar destroyers such as the Daring class?AnswerQ&A
Probably yes for the Darings, because they followed the fleet-destroyer lineage, though fewer Battle-class ships might be completed.
- 2:26:35QuestionHow can the wrecks of Prince of Wales and Repulse be protected from illegal salvage?AnswerQ&A
Protection has proved inadequate; reports indicate that both wrecks and others in the region have already been badly damaged by illegal salvors.
- 2:27:20QuestionKnowing Force Z had a carrier, would the Japanese bombers carry their full defensive armament?AnswerQ&A
They might carry more guns on a shorter-range mission, but the added weight could not substitute for fighter escort against Indomitable's directed fighters.
- 2:30:02QuestionCould service in a major Far East battleship action have helped preserve Warspite after the war?AnswerQ&A
Possibly. Surviving a celebrated final battleship action could have strengthened Warspite's postwar preservation case.
- 2:31:23QuestionWould keeping Malaya's rubber and tin materially help Britain in the war?AnswerQ&A
Yes. The commodities supported war production, export earnings, and the financial position of sterling.
- 2:32:22The Fulmar performed better than its reputation suggestsChapter
Radar fighter direction made the Fulmar effective in its intended fleet-defense role, but the design received little further development.
- 2:33:52QuestionHow could a Swordfish fare against a much faster fighter such as a Zero?AnswerQ&A
By exploiting its very low speed: a pursuer trying to remain on its tail could fall below the faster fighter's stall speed.
- 2:37:03Indomitable's reconnaissance could reshape the Malayan campaignChapter
Albacores and Fulmars extend the fleet's search radius, reduce the chance of surprise, and locate the Japanese supply ships sustaining the advance down Malaya.
- 2:37:46How holding Singapore could reshape Burma and Allied reinforcementsNotable Point
An Allied-held Singapore could receive troops from India and the Philippines while keeping Japanese forces tied down in Malaya instead of advancing into Burma.
- 2:40:18Extra carriers could free Fulmars to illuminate TarantoNotable Point
Fulmars dropping flares in a larger Taranto force would free more Swordfish to carry weapons.