Why Britain put a 12-inch gun on a submarine
The attractive paper logic and serious tactical flaws behind the Royal Navy's big-gun M-class submarine concept.
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Complete directory
Browse all time notes.
Explore every watch point in reverse video-date order, then in timestamp order within each video.
Why mass rocket artillery did not emerge in World War I
Industrial capacity and production scale mattered more than whether an early rocket launcher was technically conceivable.
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F3 versus G3 for Royal Navy service
F3 combines nine 15-inch guns and roughly 29 knots with easier dockyard support, while G3 offers a larger platform and K3 remains a less developed proposal.
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Why F3's dockyard and ammunition needs matter against G3
G3's larger guns and hull brought support costs that F3 could avoid through wider dock access and the existing 15-inch ammunition system.
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War films, remakes, and historical memory
Proposed remakes include The Battle of the River Plate and Kingdom of Heaven, while a Guadalcanal series could combine the land, air, and sea campaigns.
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Omar Bradley's influence on Patton
A critical interpretation of Bradley's consultancy questions how personal rivalries and senior military authority shaped Patton's lasting public portrayal.
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Would earlier Japanese H6 radar change the Pacific War?
Earlier H6 radar on Japanese aircraft is judged unlikely to make a substantial difference to the Pacific War.
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The prestige cost of Nelson's 16-inch guns
A 15-inch/50 alternative is judged more useful for the Second World War because it could retain similar protection while adding about five knots.
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F3 and the timing of the Washington Naval Treaty
F3 began before formal treaty negotiations while already anticipating their likely limits, making the label pre-Washington contentious.
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A 35,000-ton British battlecruiser
F3 fits the proposed displacement, while a more traditional battlecruiser interpretation leads to a comparison with Renown and Repulse's speed.
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Why treaty negotiators favored a 14-inch limit
A common 14-inch ceiling matched weapons already available to the major navies and made the 35,000-ton battleship limit easier to use efficiently.
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Why Western SSBNs avoid bastions
A Mediterranean bastion would reverse the Western practice of concealing ballistic-missile submarines across large ocean patrol areas.
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Would nuclear-armed aircraft strengthen Britain's deterrent?
A contested proposal for nuclear-armed aircraft weighs the value of a second delivery method against vulnerable bases, alert requirements, and escalation.
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Can British Trident submarines launch from alongside?
Pier-side launch capability remains explicitly unconfirmed for current Trident variants.
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Sizing a guided-missile battlecruiser's VLS battery
Mission and threat profile determine the missile mix, while Kirov shows why a very large cruiser becomes a fleet air-defense and command asset.
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Renown and Glorious against a German carrier group
Scouting, weather, and different British and German risk tolerances decide whether this hypothetical Norway battle happens at all.
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Swordfish fighter control before the Wellington AEW trials
An early-1941 Swordfish fighter-control example challenges the Wellington's priority, followed by disagreement over invention, prestige, and effective adoption.
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A 9.2-inch Royal Navy super cruiser
British 9.2-inch super cruisers could reinforce a battle fleet and escort carriers, with likely opponents and employment shaping their value.
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What military operation names were meant to do
Most wartime operation names needed to be memorable without revealing the plan, and British cover terms could be deliberately mundane or random.
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Italian nuclear warships and global reach
Why nuclear-powered submarines would signal an Italian move beyond a Mediterranean-centered navy.
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How a rising defence budget can still bring programme cuts
Higher supplier costs can consume a spending increase and leave individual defence programmes facing cuts.
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Why Japan adopted the B6N Jill
The B6N's extra range gave Japanese carriers a decisive reach advantage even if other performance gains looked incremental.
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A US Falklands War with a Grenada-sized force
Initial doubts about a Grenada-sized force give way to a much stronger assessment once its carrier and Marine component are recognized.
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Vindicator experience and the failed Brewster Buccaneer
The Vindicator could perform its dive-bombing task, while the Brewster Buccaneer was rejected even for training.
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Why Vindicator experience mattered to the SBD
Canceling an early aircraft can remove the operational experience used to develop its successor.
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Britain's limited forward deployment of WE.177
A correction identifies a limited European WE.177C deployment and distinguishes uncertain stock estimates from storage capacity.
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Why dual-capable missiles complicate deterrence
A missile that might carry either a conventional or nuclear warhead forces an opponent to decide before impact which threat it is seeing.
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Public patrol numbers and nuclear deterrence
Visible base movements limit secrecy about the number of boats away, while a stated patrol minimum can support deterrence.
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A 35-knot limit for the Littoral Combat Ship requirement
A time-travel choice targets the Littoral Combat Ship's demand for speed above roughly 35 knots.
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Keeping French battleship construction continuous
Preventing a lengthy interruption in battleship construction is proposed as the most useful change to French naval policy.
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A Baltic fleet for the Polish-Lithuanian Commonwealth
A durable Commonwealth navy might not defeat Sweden at sea, but it could protect ports, trade, and coastal movement from complete maritime domination.
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An improved Warrior as a doctrine of overmatch
Four larger, two-deck Warriors are proposed as a precedent for more ambitious British capital-ship designs.
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Gneisenau as a candidate for the most important blockship
The loss of a remaining German capital asset makes Gneisenau the tentative choice for the most important blockship.
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Japan's long-range flying boats in the ASW role
Japanese flying boats offered long visual patrols and repeated attacks, but their overall standing against Allied radar-equipped aircraft is disputed.
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Engine reliability in the flying-boat comparison
Preferences for H8K, Catalina, Sunderland, and BV 138 diverge over engine reliability, redundancy, and time spent airborne.
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Why Saratoga would have made a singular museum ship
Preserving Saratoga would have saved both a prewar American carrier and the physical evidence of the Lexington-class battlecruiser concept beneath it.
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Why the Hawker Henley would not rescue land-based dive bombing
The Henley was an RAF project eclipsed by the Fairey Battle, and land-based dive bombers faced worsening air defenses before carrier aircraft did.
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Who deserves credit for dazzle camouflage
Norman Wilkinson receives credit for developing dazzle camouflage, while John Graham Kerr's possible role in proposing or promoting the idea remains less certain.
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If King George V had retained 16-inch guns
Without a 14-inch treaty limit, the King George V program would likely converge on an early Lion-style 16-inch battleship.
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Why early judgments of the F-47 are unreliable
In March 2025, launch publicity and classified information left the F-47's capabilities too uncertain for a reliable assessment.
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Why naval colleges produce political officers
Selecting independent thinkers for senior education can produce outspoken political actors or officers whose only declared allegiance is to the service.
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Why modern sailing warships still carry engines
Amerigo Vespucci can make long passages under sail while retaining diesel machinery for maneuvers such as entering port.
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The Vultee Vengeance beyond target-tug service
The Vultee Vengeance served effectively as a dive bomber in Burma and with Australian forces, despite the question's emphasis on target towing.
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Why a modern battleship cannot shrug off torpedoes
Modern under-keel torpedoes defeat the assumptions behind traditional side-protection systems.
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Israeli anti-torpedo systems and active defenses
A recollection of Israeli anti-torpedo systems challenges uncertainty about whether active interception technology has been publicly acknowledged.
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Centurion longevity in Israel and South Africa
Israeli and South African adaptations extended the service of the Centurion, with South Africa's derivative known as the Olifant.
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Coastal blackouts as anti-submarine defense
Turning off shore lights denied U-boats the bright backdrop that exposed merchant ships at night.
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Disagreement over Iran's converted drone-support ship
A partial flight deck looks like an awkward compromise to critics, while its defenders see a depot ship with drones supporting Iranian operations overseas.
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