Cold War British Army Threat Recognition Guide

It’s the 1980s and the British Army Of the Rhine is still stationed in West Germany facing down the USSR’s forces. The Cold War has gotten hot and the 3rd Shock Army is approaching your dugout but how do you differentiate a BTR from a BMP? This handy British Army THREAT Recognition Guide booklet gives you everything you need to know about the Soviet armour, infantry and aircraft you’re facing!

Continuing on from our earlier look at a British Army threat Recognition Guide to Iraqi Ground Forces issued during the Gulf War, we dig into the TAB reference collection again and take a look at this Threat Recognition Guide looking at Soviet air and ground forces facing the British Army of the Rhine in the 1980s.

The Group of Soviet Forces in Germany (GSFG) in East Germany throughout the Cold War were an ever present threat to West Germany and NATO. This recognition guide covers all of the USSR’s main battle tanks, armoured personnel carriers, and infantry fighting vehicles, as well as artillery systems and some of the close support aircraft which would have accompanied the attacking Soviet forces.

The pages of the recognition guide include photographs, diagrams, basic specs and recognisable features of the various enemy vehicles. It was put together by the Intelligence Directorate of BAOR’s 1 Corps.


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Gulf War: Operation Granby Iraqi Weapons Recognition Guide

In this video we’ll be launching a brand new series where we’ll look at period small arms and light weapons manuals and other ephemera like infantry tactics handbooks and recognition guides.

This month marks the 30th anniversary of what the British Army called Operation Granby, better known as Desert Storm or the Gulf War.  So I thought taking a look at a Recognition Guide to Iraqi Ground Forces issued during Granby would be a good place to start!

Chapter page for Main Battle Tanks (Matthew Moss)

Britain deployed more than 53,000 personnel during the operation, which began in August 1990, just after the invasion of Kuwait, with the arrival of 2 squadrons of Tornados in theatre. The first ground forces, elements from 7 Armoured Brigade began arriving in October. With no ready reaction force a division strength force was cobbled together from units deployed in Germany and the UK. Huge logistical constraints were overcome to provide a full armoured division, consisting of two brigades, for the liberation of Kuwait.

The guide’s entry for the AMX 155 F3 (Matthew Moss)

During the ground phase of the operation (Operation Desert Sabre), which began on 24th February 1991, British armoured and mechanised forces, part of VII Corps, provided the left-hook of the allied assault. The division’s two armoured brigades leapfrogging one another quickly taking successive objectives and sweeping west through occupied Kuwait, towards the Gulf Sea, neutralising Iraqi positions with relative ease. During less than 100 hours of ground combat British forces travelled 180 miles and destroyed approximately 300 Iraqi vehicles while allied forces as a whole captured an estimated 80,000 Iraqi troops. A total of 47 British troops were killed during Granby. A ceasefire was declared on 28 February with Iraqi forces collapsed and Kuwait liberated.

The guide’s entry for the T72 tank (Matthew Moss)

The guide was compiled by the Recognition Materials Cell at the Joint Air Reconnaissance Intelligence Centre (or JARIC). Formed in 1953, from the Central Interpretation Unit and based at RAF Brampton from 1957 to 2013, JARIC was the UK’s strategic imagery intelligence provider – providing analysis of aerial and later satellite photography or enemy assets.

With war with Iraq looking imminent and substantial British forces deployed from the UK and Germany, JARIC were tasked with putting together a recognition guide covering Iraqi and Kuwaiti ground assets captured by Iraq during the invasion of Kuwait.

The infamous SCUD (Matthew Moss)

This included everything from main battle tanks, reconnaissance vehicles and armoured personnel carriers to self-propelled artillery, mortars, artillery and multi-barrelled rocket launchers. It also included anti-tank missiles, surface to air missile systems and anti-aircraft assets as well as engineering equipment. All of which might be encountered during upcoming operations to liberate Kuwait. Let’s take a look.

The guide sadly doesn’t have a scale of issue list so it’s difficult to know how many were printed or  which units received them. But the first page does give us some indication of the material’s sources – noting they are from unclassified and restricted sources – giving the book a restricted classification overall.


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Bibliography

The Gulf War 1991, A. Finlan (2003)

Hot War, Cold War, C. McInnes, (1996)

‘Joint Air Reconnaissance Intelligence Centre (JARIC)’, National Collection of Aerial Photograph, (source)

‘Unit History: Joint Air Reconnaisance Intelligence Centre’, Forces War Records, (source)

US Medium Tanks of the 1920s

I recently came across some archival footage which gives some glimpses of some quite rare US medium tanks developed in the 1920s. The footage features the M1921, the T2 Medium Tank and a Christie Tank.

An M1921 Medium Tank (US National Archives)
An M1921 Medium Tank (US National Archives)

The US tank arm subsequently abandoned the various medium tank designs they’d been working on and shifted towards cheaper light tanks. Always special finding archival footage, hope you enjoy the video.

Check out our other videos on early tank here


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US Tanks of WW1

The US entered the Great War with no tanks of their own – by the end of the war they had designed and built their first tank, collaborated on a leviathan heavy tank with Britain and built their own copy of the French FT. In this video we look at how the US Army hit the ground running and formed two tank corps and built their first tanks.

In recent videos we’ve looked at all of the US Army’s early tanks, here’s a round up:

Ford M1918 3-Ton Tank

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The tinny 3-ton Ford was the first American designed and built tank. Aiming to use readily available parts and materials it took inspiration from the French Renault FT but was smaller and lacked the FT’s revolutionary turret. The Ford was only lightly armoured and did have the best cross country handling. Check out our full article on the Ford here.

MkVIII ‘International’ Heavy Tank

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The MkVIII was a truly ‘international’ effort with the US, UK and France all working on the project. The US and UK provided the mechanical components while France provided a factory to assemble the formidable vehicles. The MkVIII wasn’t ready in time to see action during the war but remained in US service into the 1930s. Check out our full article on the MkVIII here.

The M1917 Light Tank

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The US also sought to produce their own licensed version of the French Renault FT, making some slight changes the tank was adopted as the M1917 but despite production being well underway by late 1918, none of the M1917s reached the front. Instead they became the backbone of the US Army’s interwar tank force. One even climbed a mountain!  Check out our full article on the M1917 here.

You can find a playlist of all our videos looking at the US Tanks of WW1 here.


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Tank vs Building (1917)

I’m this short video a British MkIV heavy tank ploughs through a series of wooden buildings during a 1917 demonstration.

The tank crashes into the first building

The MkIV was a ‘female’, machine gun-armed, tank that weighed in at around 27 tons. Designed to support infantry, it had a top speed of just 4mph.

The tank pushes over and crushes another wooden-framed building

In this footage the tank does not have its guns mounted as it runs through a succession of wooden framed builds, as British and American officers and men look on.

Don’t forget to check out our series on World War One tanks here.


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MkVIII Heavy Tank In Action

This week’s bonus video features some contemporary footage of a MkVIII Heavy Tank showing off what it can do during a demonstration outside Bridgeport, Connecticut, in October 1918.

We have a full episode on the MkVIII detailing its history and development here

 

MkVIII ‘International’ Heavy Tank

This is the last of our series of videos/articles on the US Tanks of WWI, you can find all episodes here.

The MkVIII Heavy Tank holds the distinction of being the result of the first successful international co-operative tank project. Developed with input from British and American designers and engineers, intended to be equipped with British weapons and an American engine, with parts made in the US and Britain and to be assembled in France – a truly international undertaking. The MkVIII, sometimes referred to as ‘The International’ or ‘Liberty Tank’, owed its basic design to earlier British heavy tanks but a number of important changes were made.

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Port side of a MK VIII heavy tank (US National Archives)

Intended for introduction in 1919, the war ended before the MkVIII could enter service and even before its French factory had been completed. It did, however, see some production and inter-war service providing the heavy tank backbone of the US’ tank force for many years.

The design evolved from work by British Lieutenant G.J Rackham with later input from American engineer Major Herbert Alden. The MkVIII heavy was very much an evolution of the earlier British rhomboid heavy tanks but Rackham and Alden made some important improvements. Chiefly the redesigning of the tank’s sponsons which housed a pair of British 6pdr guns. While the tank was a foot narrower than its predecessors, the new folding sponsons could enabled the tank to be transported more easily by rail and to also, in theory, navigate narrow spaces. Alden patented this feature in December 1918 (US #1366550). Additionally, the commander’s ‘outlook turret’ positioned on top of the tank’s turret, which had vision slits on all four sides, was also retractable. Alden’s sponsons were hinged at the front and mounted on rolling bearings so they could pivot inwards.

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Alden’s patent for his pivoting sponson (US Patent Office)

The MkVIII directly addressed several shortcomings of earlier British heavy tanks, firstly the engine was insulated in its own compartment to prevent exhaust fumes overwhelming the crew. A new ventilation system was also added with a fan keeping fumes out of the fighting compartment. Secondly, overall visibility was improved with protected vision and revolver slits and the addition of the tank’s commander’s turret.

Another important design change was the move to longer tracks, about 5 inches in length, which required a dozen less links than the MkV. Each of the links was shallowly stamped to increase its strength. In terms of armament the MkVIII was designed as solely ‘male’ – with guns in its sponsons, not machine guns – however, with a raised tower on the tanks roof this provided positions for five machine guns in hemispherical ball mounts. Two more machine guns could be mounted in the tank’s hull doors located behind the sponsons. The ammunition for the 6pdr guns was held in a central ammunition storage box but the sponsons also had shell storage space surrounding the guns themselves.

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The MkVIII’s V12 engine (US Army Preliminary Handbook for the MkVIII)

The 37 ton tank was to be powered by an American V12 aircraft petrol engine manufactured by the Liberty company. Although a cheaper, water-cooled Liberty was eventually used in the American tanks. The British developed a similar 12 cylinder engine from Ricardo. This, in theory, produced 300 horsepower with a top speed of just over 6mph and a range of just under 40 miles. The MkVIII’s engine was moved from the centre of the tank to a separate engine compartment at the rear of the tank. This not only reduced engine heat and fumes in the fighting compartment but also made communication easier. Some sources also suggest that the MkVIII was the first tank to have an electronic intercom system.

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An officer illustrates how one of the tank’s ball mounted machine guns worked – the gun itself is an M1919 tank machine gun (US Library of Congress)

The American Preliminary Handbook for the MkVIII listed the tanks as being equipped with 7 ‘Hotchkiss .303-inch machine guns’, these are likely to be Hotchkiss Portative MkI*s popular in British service. In US service, however, the tanks were likely later equipped with the new Browning M1919 Tank Machine Guns. The tank carried 182 rounds of 6pdr ammunition and an additional 26 smoke rounds as well as 21,000 rounds of machine gun ammunition to keep the 7 machine guns fed.The tank’s armour was also increased lightly from the previous MkV, with 16mm of frontal armour and between 10 and 12mm at the sides. Less vulnerable areas had armour 6mm thick.

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A partial cutaway view of the tank (US Army Preliminary Handbook for the MkVIII)

The American MkVIIIs were initially planned to be manned by an eleven-man crew made up of a driver, commander, two gunners and two loaders to man 6pdrs, four machine gunners and a mechanic. Later crew complements probably dispensed with two of the machine gunners as the US MkVIIIs operated during the inter-war period dispensed with two of the midships machine guns. The British crew was planned to be smaller with 8-men fighting the tank, made up of a driver, commander a pair of gunners and loaders for the main guns and two machine gunners who were tasked with manning the tank’s various machine guns. Impressively the 34 feet long tank also had room for as many as 22 infantry to be transported.

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A MkVIII demonstrating its power by destroying a tree during testing (US National Archives)

As an allied collaborative project the production of parts was to be a collaborative effort. Britain was to contribute armour plate, structural frame work and armament. The American contribution was to include the automotive parts including the engine, brakes, drive sprockets, gears and transmission.

The French were largely uninterested in British heavy tanks and their primary contribution to the MkVIII project was a factory site near the village of Neuvy-Pailloux, 165 miles south of Paris, in central France. Critically located well away from the fighting on a main rail route north, through Issoudun. Construction of the impressive factory appears to have begun in early 1918, with the framework of seven long production halls and the installation of a powerplant and generators and the building of railway sidings completed before the armistice in November 1918. Production barely got underway in Britain, let alone in France. Contemporary photographs taken in January 1919, by the US Army Signal Corps show the factory with its roof in various stages of completion, its shop floors unfinished and empty and open to the elements. The factory would eventually be completed and used by the French army as an artillery park and later a maintenance depot.

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The incomplete Neuvy-Pailloux factory c.1919 (US National Archives)

The oringal plan was for the tank parts to be shipped across the channel and the atlantic through France’s western coastal ports to be shipped by rail to Neuvy-Pailloux where they would be assembled into working tanks. It was envisaged that the workforce would be made up of Chinese labourers with British and American foremen and managers.

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Inside the incomplete factory (US National Archives)

As many as 3,000 tanks were planned for 1919. The British intended to build 1,450 MkVIIIs of their own use in addition to the 1,550 to be produced for general allied use. The British tank parts were to be manufactured in Manchester, by the various workshops of the Manchester Tanks Association, and in Glasgow, by the North British Locomotive Company. Mass production in Manchester never got underway and the initial British MkVIIIs were built in Glasgow – just 24 are believed to have been built, all but six of these were scrapped almost immediately. The first American tanks were assembled by the Locomobile Company of Bridgeport, Connecticut. The American-assembled MkVIII completed acceptance trials in the spring of 1919. With the end of the war the US order was reduced from 1,500 to 100. 100 sets of hull components were bought from Britain and assembled with corresponding American parts at the Rock Island Arsenal.

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A US MkVIII at Camp Meade, c.1921 (US National Archives)

The MkVIII was the last of the British rhomboid heavy tanks. The handful of British MkVIIIs built never entered service but the 100 American tanks along with American built M1917s, MkV Heavies and Renault FTs brought back from France, formed the backbone of the US Tank Corps throughout the early inter-war period. The US MkVIIIs remained in use as training tanks until 1932. Today, just three are believed to survive; two in the US and one in Britain.


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Specifications:

Length: 34ft 2in / 10.4m

Height: 10ft 3in / 3.12m

Width: 12ft 4in / 3.75m

Weight: 37 tons

Powerplant: V12 Liberty or Ricardo engine

Speed: ~7mph / 11km

Armour: 6 – 16mm

Armament: Two QF 6pdr guns and seven .303 Hotchkiss Portative Mk1* or M1919 Browning Tank Machine Guns


Bibliography:

Preliminary Handbook of the Mark VIII Tank, US War Department, (November 1918) (source)

‘Tank’, H.W. Alden, US Patent #1366550, 25/01/1921 (source)

British Battle Tanks, World War I to 1939 – D. Fletcher (2016)

The Illustrated Encyclopaedia of Military Vehicles, I.V. Hogg & J. Weeks (1980)

The Complete Guide to Tanks & Armoured Fighting Vehicles, G. Forty & J. Livesey, (2012)

Liberty Engine: A Technical & Operational History, R.J. Neal, (2009)

Tanks: 100 Years of Evolution, R. Ogorkiewicz (2015)

The Tank That Climbed A Mountain

In April 1919, a lone US-built M1917 light tank climbed over 11,000 feet up a mountain in Colorado. We are lucky enough to have some original photos and footage of the tank’s climb up Pikes Peak in the Rocky Mountains.

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The tank with ‘Pikes Peak or Bust’ painted on its hull (US National Archive)

Why was a tank driving up a mountain?

Simply put the expedition was a publicity stunt to help raise cash to pay off America’s war debt. By 1919 the cost of US involvement in World War One had reached $32 billion – that’s around $547 billion today.

The purpose of the stunt was to encourage Americans to purchase ‘Victory Liberty’ War Bonds which would help pay off some of the debt accrued by the war. This was the fifth, and final, round of Liberty Bond sales. The drive began in mid-April 1919, and aimed to sell $4.5 billion of government bonds.

The tank arrived in Colorado Springs at the beginning of April and on the 14th a crowd of nearly 1,000 people watched Mrs W.H.R. Stote, the chairwoman of Colorado Springs’ Victory Liberty loan committee, christened the tank ‘Little Zeb’  – after explorer Brigadier Zebulon Pike – who led an expedition that attempted to climb the mountain in 1806)

Mrs Stote reportedly declared  “I charge you with making the trip to the summit. As the Victory Loan shall not fail, you must make it to the top!” The tank’s commander Sgt. A.H. Worrell, told The Colorado Springs Gazette that he had “driven tanks over trees and trenches on the western front and I am betting we get to the top.”

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The road up to the summit of Pikes Peak, photographed in 1934 (US National Archive)

At the time the 19 mile road up to Pikes Peak was said to be the ‘World’s Highest Motor Drive’ with the summit at 14,115 feet (or 4,302m). Cpl. Howard Brewer, the tank’s driver told reporters “I know we can climb it. Given time, the tank could go to the top of the world.” In terms of publicity having the tank make it up the mountain would certainly have been quite a feat.

On the front of the tank’s hull the words ‘Pike’s Peak or bust’ were painted in white – this is a reference to a phrase coined by prospector’s during the Pike’s Peak Gold Rush of the 1860s.

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The tank on the road up Pikes Peak (Pikes Peak District Library)

The tank was driven by Corporal Howard Brewer and tended by a crew of mechanics and support vehicles. The road which climbed the mountain was unsurfaced and had only been completed in 1916. The tank’s ascent began on April 15, and incredibly over the next two days the tank climbed to 11,440 feet, 13 miles along the road and through several deep snow drifts, reportedly up to 20-feet tall, before a track plate snapped. After repairs the tank and support convoy pressed on – but the tank never made it to the summit. Not because of mechanical failure but unbelievably because it was needed to appear in other Colorado towns as part of the Victory Loan drive.

While the tank may not have reached the very top of the mountain, it unsurprisingly became a record breaker – setting the first elevation record for tanks. Western Union claimed that it also set a distance record for continuous distance travelled and penetrated the farthest into the snow than any other vehicle had ever done at that time of year – battling snow drifts up to 20 feet tall. While the US-built M1917 was never tested in battle the drive up the mountain proved it was a capable, hardy vehicle – demonstrating the tank’s abilities.

Bibliography:

Various photos and contemporary footage taken from the US National Archives (source)

Additional photos held by the The Manitou Springs Historical Society (source)

‘Army’s Tank Assault on Pikes Peak Was About More Than Being Macho’, The Gazette, M.L. Cavanaugh, (source)

U.S. Economy in World War I, Economic History Association, (source)


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US M1917 Light Tank

Continuing our series looking at US tanks of World War One, in which we have already taken a look at the Ford M1918 3-Ton Tank, in this video/article we will take a look at the M1917 Light Tank. 

The US Army entered the Great War with no tanks or experience in armoured warfare. When the American Expeditionary Force’s Tank Corps was formed in early 1918, it was equipped with French and British tanks. With plans to rapidly expand the US Tank Corps with battalions training in the US, France and Britain, a large number of tanks would be needed. The corps trained with the French Renault FT light tank and the British MkV but with French production stretched to capacity they could not hope to provide the US with the tanks it was expected to need for operations during 1919.

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Renault FT on the Western Front (US National Archives)

As a result the US negotiated with France for a license to produce the FT in the US, commissioned a smaller 3-ton light tank from Ford and entered into an agreement with Britain to build a new heavy tank – the MkVIII. The American-made FTs were designated the Model 1917 6-ton light tank. 4,400 were ordered, with deliveries to begin in April 1918. The Ordnance Department finalised the M1917s design and contracted a number of private companies to build the tanks.

Delays in production, however, meant that the first American tanks were completed in October 1918, and none of the M1917s reached the Western Front before the war ended. As a result, the primary US tank of the war was the original French Renault FT, revolutionary for its turret which could rotate 360-degrees and its rear-mounted engine. It was cheaper to manufacture than the heavier British tanks and could be transported by lorries behind the lines. The FT equipped the 1st Provisional Tank Brigade, what would become the 304th Tank Brigade, commanded by Lt. Colonel George S. Patton. The American FT’s saw action for the in September 1918, at the Battle of St. Mihiel.

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US-operated Renault FTs on the Western Front (US National Archives)

144 US FT’s took part in the battle and both the tanks and crews performed well. The Five of Hearts, a 37mm-armed FT with the 344th Tank Battalion took part in the Meuse-Argonne offensive and while making an isolated attack on German positions in support of bogged down US Infantry, the tank was immobilised and its gun mantle jammed by enemy small arms fire. The tank’s commander Sergeant Arthur Snyder recalled:

“My wounded driver kept filling pistol clips and I produced as much fire as possible with our pistols and the crippled 37mm. I paid more attention to the volume of fire than its accuracy for I fear the enemy would close in if the volume diminished. Three machine guns were set up at very close range, but just out of range of our piece with its limited elevation. The fragmentation of our shells did afford some protection but I could not train this fire on the German field piece. The constant hammering of these machine guns at close range was terrific. The hinges on the doors could not stand up under it for long, but it was the mushroom ventilator on top of the turret that gave way. I was hit in the back of my head with fragments of it and bullet splinters.”

Luckily for Snyder the German infantry made no attempt to rush the tank, content to pepper it from a distance, and they quickly retreated when infantry from the 16th Infantry arrived.

In terms of protection Snyder felt that “the armor plate on those old French Renaults was good, but when you came to close quarters the splinters from bullets hitting around the vision slits did considerable damage.” Two of Snyder’s drivers were badly wounded one by bullet splash splinters and the other in the throat.

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A newly completed M1917 at the Van Dorn Iron Works, 1919 (US National Archives)

The M1917 was manufactured by the Van Dorn Iron Works, the Maxwell Motor Co., and the C.L. Best Co. Of the original wartime order for over 4,000 tanks, in total just 952 M1917s were produced. 375 of these are believed to have been equipped with 37mm M1916 cannons, while 526 armed with Marlin M1917 tank machine guns. The remaining 50 were outfitted as unarmed signal tanks.

The M1917 has a number of small differences from the FT. Its exhaust is located on left rather than right side of the tank. A new US-designed gun mount and mantlet was used. Solid steel idler wheels at the front of the tank rather than the spoked type used by the French. Additional vision slits for the driver were added and a bulkhead sectioned off the engine from the cab. Like their French cousins the M1917 was manned by a two-man crew, the driver and the commander who also acted as loader and gunner.

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Marlin M1917 Tank Machine Gun (US National Archives)

A different, American-made, engine – a water-cooled 4 cylinder engine built by the Buda Engine company was used. Developing 42 horsepower, it had more torque than its French counterpart but was no faster, with a top speed of between just 6 – 8 miles per hour. The tank weighed just over 7 US tons and was 16.5 feet long and 7ft 7” tall. Its armour was 0.25″ to 0.6″ (6.35mm to 15.25mm) thick – slightly thinner than its French counterpart. The majority of the tanks were armed with machine guns, using the .30 calibre M1917 Marlin tank machine gun, rather than the French Hotchkiss. The ‘male’ or cannon armed tanks had a 37mm gun and carried more than 230 shells for the gun. The Marlin was later supplanted by the early iteration of the M1919 Browning tank machine gun. 50 command and signals tanks were also built, these unarmed tanks were similar to the French TSF (télégraphie sans fil) and fitted with a wireless radio.

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An M1917 climbing Pikes Peak, April 1919 (US National Archives)

Perhaps the M1917s most impressive feat stemmed from a publicity stunt in April 1919, when a M1917 climbed Pikes Peak, a mountain in Colorado. At the time the road up Pikes Peak was said to be the ‘World’s Highest Motor Drive’, a single tank was driven up the mountain as part of fund raising efforts for the fifth, and final, round of Liberty Bond sales, which hoped to raise $4.5 billion from the sale of government bonds. We’ll have a separate looking at this exploit at a later date!

None of the M1917s reached the frontline but many were used a props for selling war bonds – in this photo dated April 1918, a platoon of M1917s is seen after they arrived at Camp Meritt by train, they are about to be painted up in camouflage for a Victory Loan parade in New York.

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US M1917s exercising with infantry, at Camp Meade, 1920 (US National Archives)

After the war the M1917, along with just over 200 French-made FTs brought back from France, formed the backbone of the US Tank Corps. In these photos we can see several tanks taking part in a mock-battle with supporting infantry at Camp Meade in May 1919. This photo show men learning to service their vehicles at Camp Meade, in December 1919.

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Obsolete M1917s arriving in Canada in 1941 (Library & Archives Canada)

But by 1921, the Corps had lost its independence and been all but disbanded with the Infantry given control of America’s tank force. A handful of the M1917s were deployed briefly overseas with the USMC, during the 1920s, but the M1917 was resigned to training as it became increasingly obsolete. They were finally removed from service in the mid-1930s. When World War Two broke out the remaining M1917s were sold to Canada and were reportedly used to help train the Royal Canadian Armoured Corps before many of them were finally scrapped.


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Bibliography:

Footage courtesy of the US National Archives (source)
Camp Colt to Desert Storm: The History of U.S. Armored Forces
, G.F. Hofmann & D.A. Starry (1999)
Tanks: 100 Years of Evolution, R. Ogorkiewicz (2015)
Light Tank M1917, Tank Encylopedia, C. Moore, (source)
The Saga of the Five of Hearts, Armor, July-Aug. 1988, Maj. Gen. W.R. Kraft Jr. (source)

The Christie Amphibious Tank

The footage featured in the video above was filmed at the 1923 US Army Ordnance Exhibition of Ordnance, where John Walter Christie demonstrated his latest amphibious vehicle.

Christie’s amphibious vehicle is one of the earliest. It follows the amphibious variant of the British Mark IX tank, essentially an amphibious armoured personnel carrier (armed only two machine guns) and preceded by the Vickers-Carden-Loyd Light Amphibious Tank in the early 1930s.

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Christie’s amphibious gun carrier returns to the land (US National Archives)

More of a gun carrier than a tank, as the vehicle was open topped, it was, however, equipped with a 75mm field gun. During the footage it not only seamlessly operates on both land and water, it also fires four rounds as it crosses a body of water at the Aberdeen Proving Ground.

Very little is known about the vehicle but it is believed to be the second of three amphibious vehicles developed by Christie during the 1920s. None of the vehicles were purchased by the US military and no major international orders were made either.

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Christie’s amphibious gun carrier opens fire with its gun as it travels across a body of water (US National Archives)

The vehicle itself is manned by two people during the demonstration, presumably one steering while the other mans the gun. It appears to have narrow tracks over its four sets of wheels and a pair of propellers at the rear.


Bibliography:

Demonstration of Ordnance Materiel at Aberdeen Proving Grounds, 1920-1926, US National Archives, (source)