Where the Germans tried tactics, the British tried tools. If the problems were trenches, what was needed was a trench removal machine: the tank.
In theory, a good tank ought to be effectively immune to machine-gun fire, able to cross trenches without slowing and physically protect the infantry (who could advance huddled behind the mass of it), all while bringing its own firepower to the battle. Tracked armored vehicles had been an idea considered casually by a number of the pre-war powers but not seriously attempted. The British put the first serious effort into tank development with the Landship Committee, formed in February of 1915; the first real tanks, 49 British Mark I tanks, made their first battlefield appearance during the Battle of the Somme in 1916. Reliability proved to be a problem: of the 49 tanks that stepped off on the attack on September 15th, only three were operational on the 16th, mostly due to mechanical failures and breakdowns.
Nevertheless there was promise in the idea that was clearly recognized and a major effort to show what tanks could do what attempted at Cambrai in November of 1917; this time hundreds of tanks were deployed and they had a real impact, breaking through the barbed wire and scattering the initial German defenses. But then came the inevitable German counter-attacks and most of the ground taken was lost. It was obvious that tanks had great potential; the French had by 1917 already developed their own, the light Renault FT tank, which would end up being the most successful tank of the war despite its small size (it is the first tank to have its main armament in a rotating turret and so in some sense the first “real” tank). This was hardly an under-invested-in technology. So did tanks break the trench stalemate?
No.
It’s understandable that many people have the impression that they did. Interwar armored doctrine, particularly German Maneuver Warfare (bewegungskrieg) and Soviet Deep Battle both aimed to use the mobility and striking power of tanks in concentrated actions to break the trench stalemate in future wars (the two doctrines are not identical, mind you, but in this they share an objective). But these were doctrines constructed around the performance capabilities of interwar tanks, particularly by two countries (Germany and the USSR) who were not saddled with large numbers of WWI era tanks (and so could premise their doctrine entirely on more advanced models). The Panzer II, with a 24.5mph top speed and an operational range of around 100 miles, depending on conditions, was actually in a position to race the train and win; the same of course true of the Soviet interwar T-26 light tank (19.3mph on roads, 81-150 mile operational range). Such tanks could have radios for coordination and communication on the move (something not done with WWI tanks or even French tanks in WWII).
By contrast, that Renault FT had a top speed of 4.3mph and an operational range of just 37 miles. The British Mark V tank, introduced in 1918, moved at only 5mph and had just 45 miles of range. Such tanks struggled to keep up with the infantry; they certainly were not going to win any race the infantry could not. It is little surprise that the French, posed with the doctrinal problem of having to make use of the many thousands of WWI tanks they had, settled on a doctrine whereby most tanks would simply be the armored gauntlet stretched over the infantry’s fist: it was all those tanks could do! The sort of tank that could do more than just dent the trench-lines (the same way a good infiltration assault with infantry could) were a decade or more away when the war ended.
Moreover, of course, the doctrine – briefly the systems of thinking and patterns of training, habit and action – to actually pull off what tanks would do in 1939 and 1940 were also years away. It seems absurd to fault World War I era commanders for not coming up with a novel tactical and operational system in 1918 for using vehicles that wouldn’t exist for another 15 years and yet more so assuming that they would get it right (since there were quite a number of different ideas post-war about how tanks ought to be used and while many of them seemed plausible, not all of them were practical or effective in the field). It is hard to see how any amount of support into R&D or doctrine was going to make tanks capable of breakthroughs even in the late 1920s or early 1930s (honestly, look at the “best” tanks of the early 1930s; they’re still not up to the task in most cases) much less by 1918.
Bret Devereaux, “Collections: No Man’s Land, Part II: Breaking the Stalemate”, A Collection of Unmitigated Pedantry, 2021-09-24.
February 15, 2022
QotD: Breaking the trench stalemate with tanks
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