Video
Bruships 112: Julian Corbett
Study Bruships 112: Julian Corbett, a Dr. Alex Clarke video from 14 May 2023, with 71 time notes. Topics include Julian Corbett, Live Q&A, Naval Education.
Time notes
- 1:04QuestionWhy were some Second World War guns still named by projectile weight rather than calibre?AnswerQ&A
The names reflected both manufacturing history and a familiar vocabulary that already told crews which weapon was meant.
- 4:04QuestionWould Frederick III surviving have produced a world war with Britain and Germany allied against France, Russia, Spain, Austria-Hungary, and China?AnswerQ&A
Probably not: Frederick was less warlike, the alliance structure is internally implausible, and the proposed French conquests lack the necessary troops and naval force.
- 6:30QuestionHow would navies react if reliable fourteen-inch quadruple turrets put twelve guns on a battleship?AnswerQ&A
They would be alarmed and would quickly pursue their own escalation, probably toward four triple sixteen-inch turrets.
- 10:16QuestionCould Britain have built a 10,000-ton heavy cruiser with three triple eight-inch turrets, eight-inch armour, 28 knots, and aircraft in 1926?AnswerQ&A
The armament and aircraft were plausible, but armour would be nearer four and a half to five inches and the design would probably aim for about 30 knots.
- 11:54QuestionWhy did the Empire cruise skip British India?AnswerQ&A
India already had a huge British military presence, while other imperial stations needed the Navy to perform a larger presence and prestige role.
- 14:25Corbett and the political case for naval powerChapter
Corbett's work reminds political leaders why fleets need sustained investment even after long periods of maritime security.
- 18:25Secret official histories as lessons for the next warNotable Point
Corbett's Russo-Japanese War study illustrates how a navy can commission a restricted history for internal planning before publishing it much later.
- 21:38QuestionWhy were Kingston valves and demolition charges not enough to scuttle Takao?AnswerQ&A
They wanted the ship to sink quickly, so six-inch shells were used to enlarge existing damage and accelerate the process.
- 22:18QuestionIf Admiral King was so critical of the British, why was he willing to use Corbett?AnswerQ&A
King's criticism was selective: he respected figures such as Corbett, Somerville, and Cunningham despite disliking much of the British naval establishment.
- 23:46Classified Falklands histories and access to evidenceNotable Point
Restricted official histories can use evidence unavailable to public accounts, while access to participants can change a published history.
- 24:53QuestionWhat would the Royal Navy have done with Takao as a war prize?AnswerQ&A
Probably scrap it, because the Navy had no useful role or spare crew for an unfamiliar damaged cruiser late in the war.
- 27:24QuestionWhy was the Revenge class treated as cheaper when its unit cost was close to the Queen Elizabeth class?AnswerQ&A
The quoted saving of about £300,000 per ship becomes £2.4 million across eight hulls.
- 29:14QuestionWhy did construction costs rise so much between battleships with 13.5-inch and 15-inch guns?AnswerQ&A
Larger guns came alongside changes in speed, armour, and other parts of the design, so calibre alone cannot explain the price increase.
- 30:51QuestionWhy did the Revenge class use about 3,000 tons less steel than the Queen Elizabeth class?AnswerQ&A
The oil-first Revenge design used its hull more efficiently, while the Queen Elizabeths' coal-derived layout left extra space that later helped their upgrades.
- 32:48QuestionWould an oil-first Queen Elizabeth-class design have been more efficient?AnswerQ&A
Yes; a hull designed around oil could have been more efficient and perhaps achieved a practical 26 knots.
- 42:23QuestionCould the United States have both sixteen-inch Lexington battlecruisers and twelve-inch Alaska-class large cruisers?AnswerQ&A
Yes; the Alaskas could reinforce surviving Lexingtons in fast carrier groups rather than duplicate them.
- 43:35Railways as freight logistics networksNotable Point
Freight movement explains why railways matter to logistics even when passenger trains dominate public perceptions.
- 44:19Canals connected inland landing-craft yards to the seaNotable Point
Small inland yards launched Fairmile boats and landing craft into canals for delivery to operational ports.
- 48:00QuestionWhat would Britain and Japan do to the United States if America lost such a world war?AnswerQ&A
They would probably take American overseas territories and protectorates, not attempt to conquer the continental United States.
- 51:38QuestionWas the British railway system targeted by the Luftwaffe?AnswerQ&A
It was attacked at points, and Britain maintained specialist Territorial Army units to keep the railways running and repair damage rapidly.
- 55:23QuestionDid the Takao class suffer from blast effects and limited firing arcs because of its Nelson-style turret layout?AnswerQ&A
The firing-arc penalty depends on engagement range and warning time. Long-range guns allow more time to turn the ship than close-in weapons do.
- 57:43QuestionWhy did the Royal Navy not build more Renown-class ships?AnswerQ&A
Treaties constrained new construction, but Renown's layout still strongly influenced interwar British capital-ship designs.
- 1:04:20QuestionDoes a name used for a rescue tug demonstrate that it is suitable for a battleship?AnswerQ&A
No. The Royal Navy does not apply the same naming criteria to rescue tugs and battleships.
- 1:06:14War Plan Orange's amphibious and basing legacyNotable Point
Pacific planning developed criteria for island objectives, bypassing strongholds and establishing bases to sustain an advance.
- 1:07:07War Plan Orange: bases and secure communicationsChapter
A rapid dash to the Philippines depended on vulnerable supply assumptions, prompting a plan for intermediate bases and secure sea communications.
- 1:09:46Planning for Japan's island defence lineNotable Point
War Plan Orange anticipates Japan using island positions to impose attrition before seeking fleet battle.
- 1:10:15QuestionWhy do historians focus so heavily on War Plan Orange when the United States had many colour-coded plans?AnswerQ&A
Because Orange covered war with Japan, the contingency that became central to the Pacific War.
- 1:10:57The Royal Road's stepwise Pacific advanceNotable Point
The Royal Road plan proposed capturing weaker island positions first and building the fleet and air bases needed for the next advance.
- 1:12:00QuestionWhy did Germany choose 11-inch guns for the Deutschland class?AnswerQ&A
Germany could sustain 11-inch-gun production, but did not yet have the industrial capacity for a larger weapon system.
- 1:13:47French Canadian concerns about losing British protectionNotable Point
French Canadian concern about losing British protection is offered as one explanation for resistance to American appeals for independence.
- 1:22:14Different payloads for a remote weapon systemNotable Point
A remembered Rafael system illustrates the choice between gun, less-lethal and anti-drone payloads.
- 1:24:12Canada trains a force designed to expandNotable Point
Canada's demanding professional education supports a small peacetime force intended to expand during war.
- 1:26:32Corbett's influence on naval educationChapter
Corbett's work connected naval history, professional education and sea power's place in statecraft.
- 1:29:01QuestionWere the Deutschland class's eleven-inch guns chosen to intimidate the other European powers?AnswerQ&A
Germany was allowed to sustain eleven-inch-gun production for its surviving pre-dreadnoughts, so retained manufacturing capacity explains the choice.
- 1:29:55Museum interpretation depends on knowledgeable staffNotable Point
Museum staff's knowledge and enthusiasm shape visitors' experience, illustrated by a personal account of North American museum visits.
- 1:33:05Canada's specialist influence in peacekeepingNotable Point
Canada's repeated contribution of staff and forces underlies the description of it as a peacekeeping superpower.
- 1:35:09QuestionShould Germany have built a battleship with sixteen eleven-inch guns?AnswerQ&A
The preferred alternative is twelve eleven-inch guns in four triple turrets.
- 1:38:43QuestionWhy did battleships move from four main-battery turrets to three between the wars?AnswerQ&A
Treaty limits made three triple turrets an efficient way to retain firepower while allowing weight for armour, anti-aircraft weapons, and speed.
- 1:40:00Corbett's reassessment of Admiral ByngNotable Point
Corbett's account challenges the image of Byng as a tactically inert commander trapped by rigid fighting instructions.
- 1:46:46Cruiser performance and design efficiencyNotable Point
More suitable armament and higher speed can improve a cruiser's usefulness without making its design efficient for its displacement.
- 1:48:56Graf Zeppelin's guns and the destroyer-attack argumentNotable Point
A proposed justification for Graf Zeppelin's six-inch guns raises the question of how a carrier could become exposed to an entire destroyer flotilla.
- 1:49:57A third shaft could turn Deutschland into a stronger raiderNotable Point
An enlarged Deutschland design with another shaft and four more diesels could gain speed, fuel capacity, and room for more guns.
- 1:52:49Hawke, sea control, and the decision to attack Belle ÎleChapter
Corbett contrasts winning command of the sea with using it, then follows the reconnaissance and failed first landing at Belle Île.
- 2:00:30Belle Île: adapting an amphibious assaultChapter
Pitt reinforced Belle Île despite competing demands, and a diversion became the opening for a successful landing.
- 2:05:27QuestionWhere should a reader start with Julian Corbett?AnswerQ&A
Begin with Some Principles of Maritime Strategy. The edition used here also includes lesson plans that show how Corbett taught the subject.
- 2:06:06QuestionDid the Deutschland class's long range leave it vulnerable to the kind of situation Graf Spee faced?AnswerQ&A
That vulnerability applies to surface raiders generally: once found, a ship from the weaker navy faces the stronger navy's ability to concentrate against it.
- 2:07:50The Bearcat arrived too late for wartime fameNotable Point
The F8F Bearcat's late arrival left an advanced piston fighter overshadowed as naval aviation moved toward jets.
- 2:08:30Maritime theory prepares judgmentChapter
Corbett's Principles of Maritime Strategy presents theory as education for judgment and shared understanding.
- 2:10:25Rodney's signal needed a shared tactical understandingNotable Point
Corbett uses Rodney's misunderstood signal in 1780 to show why commanders and captains need the same tactical vocabulary.
- 2:12:47The Codex Astartes as a doctrine analogyNotable Point
The Codex Astartes illustrates how shared doctrine can support flexible action when its users understand the principles behind it.
- 2:14:17Why naval teaching must explain the fundamentalsNotable Point
Definitions and basic system explanations help readers enter a specialist subject and remind experienced readers of assumptions they can overlook.
- 2:17:39How historians bridge gaps in evidenceNotable Point
A short account of historical method shows how inference should be tested against surrounding evidence.
- 2:21:12Russian planning before the Russo-Japanese WarNotable Point
Rozhestvensky's case for fleet parity differed from a staff proposal to destroy Japanese naval power, connecting naval requirements with Russian ambitions in Korea.
- 2:25:14Rozhestvensky waits at Cam Ranh BayChapter
Rozhestvensky's wait near Cam Ranh Bay involved uncertain motives, preparations for battle, orders to await reinforcements, and French neutrality.
- 2:31:20Archive access set the limits of a destroyer historyNotable Point
Inability to visit Canadian and Australian archives constrained the coverage of their ships in a destroyer history.
- 2:32:48QuestionIf the SBD-5 Dauntless had reached the Royal Navy earlier, could it have served as a stopgap before the Barracuda?AnswerQ&A
Potentially, if it proved better than the Albacore and useful in the Royal Navy strike role.
- 2:35:36Graf Spee avoided single British heavy cruisersNotable Point
Graf Spee's movements show that the pocket battleship was not eager to fight every eight-inch cruiser it encountered.
- 2:36:24QuestionWhich parts of Corbett's thinking are particularly relevant today?AnswerQ&A
Almost all of Corbett remains relevant, especially when read with Mahan's forceful explanation of why sea power matters.
- 2:36:50Resilience requires clear command successionNotable Point
Prepared successors, suitable communications, and established seniority keep command functioning after senior officers become unavailable.
- 2:40:28QuestionWas there serious interest in Canada joining the American War of Independence to become a separate country?AnswerQ&A
No, in this account: differing colonial origins, imperial relationships, religion, and Indigenous alliances explain why British North America remained apart from the rebellion.
- 2:41:41Religious divisions shaped British political cultureNotable Point
Disputes over Catholic practices and Protestant reform influenced British institutions, naval naming, and colonial relationships.
- 2:47:41QuestionWhy is so little known about some Russian warship classes?AnswerQ&A
Probably because few historians gained access before Russian archives became harder to use again, and fewer still were naval specialists looking for those records.
- 2:49:00QuestionWould completed Francesco Caracciolo-class ships have been fast battleships?AnswerQ&A
Yes, they would have been fast battleships.
- 2:57:18QuestionDid the United States expect the Royal Navy to demand modifications to American aircraft?AnswerQ&A
Yes, and the Americans often appreciated the results; British Wildcat changes helped improve the aircraft substantially.
- 2:59:47QuestionWhat modifications did the British make to the Wildcat?AnswerQ&A
They increased engine performance, changed the pilot's protective backplate, and altered the wings.
- 3:07:39QuestionWhy did the British want six guns on the Wildcat despite the extra weight and fewer rounds per gun?AnswerQ&A
They wanted a heavier burst for boom-and-zoom attacks that struck hard and disengaged quickly under fighter control.
- 3:12:16Shipyard accents formed local 'yard tunes'Notable Point
Distinctive speech in neighbouring shipyards could tell visiting naval constructors which workforce they were hearing.
- 3:15:38QuestionWhat was the point of Italy designing a new battleship class during the war?AnswerQ&A
Navies keep refining designs because conditions can change, and a better ship may still become buildable or useful.
- 3:16:51QuestionIf the United States had built the Montana class, would it have kept them instead of the Iowa class?AnswerQ&A
The newest ships would likely be retained, and Soviet postwar capital ships could have provided the reason to complete Montana in the first place.
- 3:19:39QuestionHow could Britain afford another capital ship after the war if the empire was bankrupt and industry badly damaged?AnswerQ&A
Britain retained more capacity in 1945-48 than the premise suggests; later industrial weakness also came from transition and postwar policy choices.
- 3:20:28Government decisions and competing interestsNotable Point
A criticism of British policymaking compares accommodating every interest group with favouring a selected few.