Video
Patreon 39:What if Courageous and Glorious had survived?
Study Patreon 39:What if Courageous and Glorious had survived?, a Dr. Alex Clarke video from 9 Dec 2021, with 88 time notes. Topics include Aircraft Carriers, Alternate History, Carrier Modernisation.
Time notes
- 4:04QuestionWould Aquila have entered service earlier if Italy had responded sooner to British carrier operations?AnswerQ&A
Probably not: Italian priorities did not make a strike carrier urgent, even while British carriers operated in the Mediterranean.
- 5:34AI and the speed of hypersonic engagementsNotable Point
Hypersonic weapons compress engagement timelines and create pressure to use artificial intelligence in defensive decision systems.
- 7:42QuestionWere Courageous and Glorious equally capable at the start of the Second World War?AnswerQ&A
Broadly yes, though Glorious was slightly more modernized and had a longer-established air group.
- 10:19Fisher's Baltic strategy shaped the shipsChapter
Courageous and Glorious began as fast, shallow-draft tools for Fisher's proposed Baltic operation against Germany.
- 14:42Fifteen-inch guns as a fleet-battle triggerNotable Point
Their guns were meant to make lighter opponents avoid battle and oblige Germany to answer with major ships.
- 17:02QuestionWhy has the Royal Navy reused Courageous but not Glorious or Furious?AnswerQ&A
Courageous was reused for a nuclear submarine; the lack of Glorious and Furious is attributed tentatively to modern naming preferences, especially the aggressive sound of Furious.
- 18:17Graf Zeppelin without a carrier-operations traditionNotable Point
Graf Zeppelin's design reflected Germany's lack of practical carrier experience and limited access to Japanese operational knowledge.
- 19:20Light protection and remarkably rapid constructionNotable Point
The ships' modest armour suited a fast, shallow-draft raiding role, and both were completed at exceptional wartime speed.
- 22:27QuestionWhen did Harland and Wolff cease to exist?AnswerQ&A
It had not ceased to exist in 2021, but its Belfast work had shifted away from large-scale shipbuilding toward projects such as wind turbines, with possible naval work under discussion.
- 23:07The converted carriers in figuresNotable Point
At about 27,420 tons deep load, 30 knots, and roughly 48 aircraft, the converted sisters still combined fleet speed with a substantial air group.
- 24:03A wartime full-length flight-deck refitNotable Point
Damage and a major yard period could have turned a surviving sister into a more useful full-length-deck carrier.
- 25:12QuestionHow would Courageous or Glorious fare against a Deutschland-class pocket battleship?AnswerQ&A
With aircraft airborne and room to use their 30-knot speed, they could likely evade and pressure the slower raider; surprise with aircraft below would be far worse.
- 26:56QuestionHow would Courageous or Glorious in their original gunship configuration fare against a Deutschland-class raider?AnswerQ&A
Their 15-inch guns and 30-knot speed would let them dictate the fight, though their light armour remained vulnerable to 11-inch fire.
- 27:35QuestionWas a full-length flight deck physically impossible on the Courageous class?AnswerQ&A
No. It required hull strengthening and was cost-prohibitive in peacetime, but wartime priorities could justify the work.
- 28:47QuestionHow many aircraft might a modernized Courageous or Glorious carry later in the war?AnswerQ&A
An extended hangar could preserve a group of about 48 aircraft through 1945.
- 29:16QuestionWhy modernize Courageous or Glorious instead of building a Malta-class carrier?AnswerQ&A
Malta would be better, but an upgrade used much less scarce yard capacity and returned a carrier to service far sooner.
- 30:26QuestionWould Courageous and Glorious need enlarged flight decks to operate aircraft such as Avenger or Hellcat?AnswerQ&A
Not principally for deck strength, but they would need upgraded accelerators and arrestor gear for heavier aircraft.
- 31:52A carrier built for fleet air defenceChapter
The lifts, hangar arrangement, and aircraft mix show an early Royal Navy concern with sustaining fleet air defence as well as strike sorties.
- 33:32QuestionHow many aircraft might Courageous or Glorious carry with a deck park in the Pacific?AnswerQ&A
Perhaps 60 to 70, though Eastern Fleet service is more plausible than deployment with the British Pacific Fleet.
- 34:35QuestionCould Courageous and Glorious operate later-war aircraft after modernisation?AnswerQ&A
They would have limits, but they could handle several Royal Navy aircraft and remain useful after a wartime flight-deck and hangar upgrade.
- 37:24QuestionDid Courageous and Glorious have armoured flight decks, and where would that leave them later in the war?AnswerQ&A
No. Their most plausible roles are in the Atlantic, perhaps the Indian Ocean, and in aviation support rather than the late Pacific front line.
- 40:17QuestionWhat was a carrier accelerator, and how did it differ from a catapult?AnswerQ&A
The Royal Navy used accelerator for carrier launch equipment and catapult for the different systems used on battleships and cruisers; later terminology converged on catapult.
- 41:41Why a Malta-class carrier might have lasted into the Cold WarNotable Point
A Malta completed in the early 1950s might have remained useful long enough to reach the Falklands era and become a preservation candidate.
- 43:44QuestionCould Courageous or Glorious serve as aviation support ships later in the war?AnswerQ&A
They could perform some support duties, with the centre of an escort-carrier strike group as the more useful role.
- 44:15Glorious's air group and a larger Taranto strikeChapter
A 36-Swordfish air group shows why Glorious could have materially enlarged a Mediterranean carrier strike.
- 48:12QuestionWhen did the Royal Navy begin receiving American carrier aircraft?AnswerQ&A
Around 1941, though the earliest Wildcats supplied to Britain lacked folding wings and were not ideal for every carrier.
- 48:38QuestionWould a full-length flight-deck refit also improve the anti-aircraft guns?AnswerQ&A
Probably; twin 4.5-inch weapons or a stronger 40 mm battery are plausible upgrades.
- 49:19QuestionWere Walrus support aircraft counted in a carrier's normal air-group total?AnswerQ&A
Usually no; a Walrus could be carried in addition to the aircraft included in the published air-group figure.
- 49:30Why 36 Swordfish did not mean a strike-only air groupNotable Point
Before radar, Swordfish covered reconnaissance and anti-submarine work as well as attack, explaining their numerical dominance over fighters.
- 51:41QuestionCould modern LHD or LHA amphibious ships remain useful as escort carriers for convoys or lower-intensity theatres?AnswerQ&A
Yes, if enough hulls are available after amphibious priorities are met; in that situation their flight decks can provide escort-carrier capability.
- 53:35Furious demonstrates the wartime value of an old conversionChapter
Furious's service from Norway to the Malta convoys shows how an imperfect converted carrier could remain useful across many wartime missions.
- 57:46Why two early carrier losses constrained every refitNotable Point
Keeping the sisters afloat would make temporary modernisation practical by leaving the Royal Navy with enough flight decks to cover its commitments.
- 1:01:10QuestionCould the Malta class have been completed with an angled flight deck?AnswerQ&A
In the proposed counterfactual, construction pauses while the class is redesigned around an angled deck.
- 1:01:29Why carrier islands preserve hangar spaceNotable Point
Experiments with flush decks showed that routing funnel trunks through a hull consumed valuable hangar volume that an island could preserve.
- 1:05:01QuestionWas the Royal Navy planning to replace Eagle and Hermes with light fleet carriers before the war?AnswerQ&A
No. The Illustrious class was intended to replace the older carriers as the fleet built toward about eight ships.
- 1:06:51Courageous and the limits of anti-submarine exercisesChapter
Courageous was lost while carrying out anti-submarine work that peacetime exercises had made look safer and more effective than war proved it to be.
- 1:09:03Glorious's fatal absence of air patrolChapter
The return from Norway placed Glorious in clear weather with only two destroyers, reduced speed, and no aircraft searching or guarding overhead.
- 1:12:52QuestionHow many Blackburn aircraft could Courageous or Glorious carry as a flight?AnswerQ&A
Normally six during the period when they were carried as a Fleet Air Arm flight.
- 1:13:28How exercise incentives concealed wartime riskNotable Point
Interwar exercises rewarded attacks on capital ships, masking the willingness of wartime submarines and aircraft to destroy any valuable target they could reach.
- 1:15:55QuestionWas Glorious hurrying home because she had been assigned a secret mission?AnswerQ&A
No evidence supports that claim, and her depleted land-attack bomb supply makes it unlikely; the intended court martial offers the clearer explanation.
- 1:17:54QuestionHow much could the limited range of Courageous and Glorious be improved?AnswerQ&A
Range would remain limiting, making Atlantic service and perhaps the Indian Ocean more plausible than full Pacific operations.
- 1:18:21How a proper task group could save GloriousNotable Point
A senior flag officer accompanying the carrier would likely have required a standing air patrol, creating warning, reinforcements, and a possible torpedo strike.
- 1:21:24German torpedo failures make Courageous's survival plausibleNotable Point
German torpedo failures around Narvik and Ark Royal provide a narrow but historically grounded route by which Courageous could survive her encounter.
- 1:24:00QuestionWhat is the closest modern Royal Navy equivalent to Courageous and Glorious?AnswerQ&A
There is no exact equivalent; in broad force-structure terms they sit between the Invincible and Queen Elizabeth classes.
- 1:24:54QuestionHow long after the Second World War did it take for one carrier to defeat one battleship reliably?AnswerQ&A
The estimate is around 1950-52, though a carrier could succeed earlier if it maintained attack range beyond the battleship's guns.
- 1:29:55The doctrinal error of treating aircraft like gunsNotable Point
Glorious's captain treated aircraft as weapons to launch only for a defined attack rather than as a continuous reconnaissance and defensive screen.
- 1:32:55QuestionWould running combat air patrol make the carrier easier for the enemy to locate?AnswerQ&A
Not reliably, because surface ships also launched spotting aircraft such as Swordfish, so an aircraft sighting did not identify a nearby carrier.
- 1:36:48Radar did not remove the need for fightersNotable Point
Interwar exercises identified a need for about eighteen fighters, and wartime experience showed that radar improved warning without reducing that requirement.
- 1:40:15Mers-el-Kébir with three British carriersChapter
An additional carrier presence would multiply reconnaissance, mine-dropping protection, and the ability to pursue French ships leaving Mers-el-Kébir.
- 1:49:36Operation Hats concentrates carriers for TarantoChapter
The movement of Eagle and Illustrious into the Mediterranean shows a deliberate carrier concentration for Taranto and convoy air defence.
- 1:53:06What Glorious could add to TarantoChapter
Adding Glorious could turn Taranto into a larger multi-wave attack, potentially disabling far more of the Italian battle fleet.
- 1:56:25QuestionWould two additional Royal Navy carriers make the battle for Crete impossible for Germany?AnswerQ&A
They could change it substantially, especially if a larger Taranto strike removed the Italian fleet support needed for the amphibious part of the operation.
- 1:59:19Saving hulls also preserves carrier expertiseNotable Point
The two losses removed trained aircrew, fitters, and carrier damage-control experience at the very moment the Royal Navy needed to expand.
- 1:59:25An Iceland-based carrier against Fw 200 CondorsNotable Point
A carrier operating from Iceland could use intelligence to intercept Fw 200 Condors before they guided U-boat wolf packs toward convoys.
- 2:09:06A carrier changes Force Z's information problemChapter
A carrier with Force Z could provide reconnaissance, fighter cover, radar support, and a stronger escort group before Japanese bombers struck.
- 2:13:13Why two carriers create outsized strategic effectsChapter
In a small pre-war carrier force, two saved ships enable multi-carrier operations, reduce escort demands, and release other forces for different theatres.
- 2:15:29How carrier success could reshape the Bismarck problemNotable Point
Greater success at Mers-el-Kébir, Taranto, and Norway could release British capital ships while making Germany less willing to risk Bismarck.
- 2:19:03QuestionWhich modern Axis warships posed a major surface threat to Britain, and which would willingly fight Nelson or Rodney?AnswerQ&A
Most German and Italian capital ships would avoid the Nelson class; Yamato and Musashi are the Axis battleships best suited to that fight.
- 2:20:57QuestionHow could surviving carriers affect Malaya and the wider Far East war?AnswerQ&A
They could help preserve a stronger Eastern Fleet and, through earlier Mediterranean success, release troops and leaders for Malaya while disrupting Japanese landings from the sea.
- 2:23:10QuestionWhat effect would Courageous have had in the Norway campaign?AnswerQ&A
Some additional air support, but probably no overall change because the fall of France determined the withdrawal from Norway.
- 2:25:00QuestionHow would HMS Rodney fare in a battle with Yamato?AnswerQ&A
Yamato would probably win, but Rodney could make the victory so costly that the Japanese battleship became a constructive loss.
- 2:25:23QuestionHow would HMS Rodney fare against an Iowa-class battleship in a stormy Atlantic?AnswerQ&A
With Rodney's Bismarck-era captain, Rodney is favoured; under other command the fight looks much more even and possibly mutually destructive.
- 2:25:50QuestionWhat difference would a Polish fleet carrier ready around 1939 make?AnswerQ&A
Built in Britain or America, it could survive the invasion and might also draw additional Polish escorts safely into Allied service.
- 2:28:24QuestionWould the survival of Courageous and Glorious shorten the Second World War?AnswerQ&A
Not necessarily by much in Europe, but it could reduce Allied losses and limit Japanese expansion in Southeast Asia and the Indian Ocean.
- 2:35:13QuestionCould Courageous and Glorious survive yet still make little difference to the wider war?AnswerQ&A
The final scale is uncertain, but a carrier with Force Z clearly adds fighters, radar, escorts, and strikes on Japanese landing shipping that change the operational problem.
- 2:41:12A surviving Singapore shifts the Pacific carrier warChapter
Holding Malaya and Singapore could prevent the Indian Ocean raid and place a Royal Navy carrier force alongside the Americans at Coral Sea or Midway.
- 2:43:57QuestionIf Force Z had carriers, would Japanese bombers simply target the carriers first?AnswerQ&A
They might, but the carriers would also bring fighters and a larger screened force, complicating Japanese target selection and attack planning.
- 2:46:46QuestionWhat parallels connect Room 40 in the First World War with Bletchley Park in the Second?AnswerQ&A
German overconfidence met British institutional commitment to codebreaking, reinforced by foreign and academic help in each war.
- 2:48:13QuestionWhat aircraft would a Royal Navy carrier force bring to Coral Sea or Midway?AnswerQ&A
Most likely Albacores with Sea Hurricanes or Fulmars, reflecting what the Fleet Air Arm could field at that stage of 1942.
- 2:48:48QuestionWhat could a combined Royal Navy-US Navy carrier force do in the Pacific?AnswerQ&A
It could combine British experience in sustained fighter defence with American strike capacity, creating a larger and more resilient task force than either side could always field alone.
- 2:51:45QuestionWould leaving Béarn for Germany be a useful way to burden German carrier development?AnswerQ&A
No. France and the Allies could use Béarn more practically as an escort carrier for anti-submarine work in the mid-Atlantic.
- 2:53:44QuestionWould Japan escort the bombers attacking a carrier-equipped Force Z?AnswerQ&A
Not in this operation: the forward bases had only just received the bombers, and no fighters with suitable range were available there to escort them.
- 2:54:44QuestionCould Sea Hurricanes fight effectively against Japanese Zero fighters?AnswerQ&A
They would struggle in speed and turning contests but could be dangerous with diving attacks, cooperative tactics, and Royal Navy fighter direction.
- 2:56:42QuestionWhy might a navy convert an oil tanker into a missile arsenal ship?AnswerQ&A
It offers a cheap large hull, but a container ship is usually easier; a tanker is most plausible when it is the available option or when a disguised arsenal ship is desired.
- 2:59:42Night operations as an Allied advantageNotable Point
The counterfactual gives the Royal Navy a useful night-operations edge against Japanese forces less able to preserve and pass on specialist flying experience.
- 3:01:48How earlier victories could concentrate the Eastern FleetChapter
Earlier success in Europe could release a much larger British fleet for Singapore, forcing Japan to confront a concentrated carrier and battleship force.
- 3:04:43QuestionHow should spare Town-class cruisers be deployed in the Pacific if German and Italian heavy ships are neutralized?AnswerQ&A
As merchant raiders and scouts intended to divide Japanese forces and create opportunities for Allied concentration.
- 3:05:26QuestionWould Royal Navy carriers in a combined Pacific fleet use American aircraft?AnswerQ&A
Not immediately: British types remain likely in 1941, a transition could begin in 1942-43, and American aircraft become much more plausible by 1944.
- 3:07:02QuestionWould Singapore still need better radar for this counterfactual to work?AnswerQ&A
Yes, but an earlier North African success could redirect radar sets and ships to Singapore in 1941.
- 3:07:50QuestionHow much stronger might the Far East command be with Roger Keyes in charge?AnswerQ&A
Potentially much stronger, with Keyes handling politics while Somerville, Montgomery, and a senior air commander direct their respective operations.
- 3:11:23QuestionHow would Spearfish compare with Avenger in this carrier scenario?AnswerQ&A
The more relevant earlier aircraft is Barracuda, which would enter service before Spearfish.
- 3:14:05The missed air alert in the PhilippinesNotable Point
News of Pearl Harbor should have triggered dispersal and full alert in the Philippines, where prewar doctrine already expected a Japanese attack.
- 3:16:11QuestionWhich Allied admirals and generals deserve to be better understood by the public?AnswerQ&A
John Cunningham and Richard O'Connor are the overlooked examples, alongside a call for more nuanced views of Patton, Halsey, and Nimitz.
- 3:21:35QuestionIf Courageous and Glorious had been larger Hood-based carriers, would they have been risked in the same way?AnswerQ&A
Probably not; unique carriers holding 60 to 70 aircraft would likely receive stronger protection, as Ark Royal did.
- 3:22:17QuestionHow would Hood, Renown, and Repulse be deployed if all three survived into 1942?AnswerQ&A
As the fast capital-ship element accompanying Britain's carrier forces, broadly analogous to Japan's use of the Kongō class.
- 3:23:05QuestionWhat if Roger Keyes took Douglas MacArthur under his wing and taught him political strategy?AnswerQ&A
The speculation has MacArthur reaching the presidency while Keyes becomes postwar prime minister, changing the path to Suez and naval policy.
- 3:26:21Why reinforcement alone would not solve Malaya's command problemNotable Point
More ships and troops would still need firmer land command than Percival provided if the defence of Malaya and Singapore were to hold.
- 3:26:57Why the two losses were avoidableChapter
The final assessment attributes Courageous to misplaced confidence in pre-war ASW practice and Glorious to a failure to form a proper, air-covered task group.