In sober reality, not until the end of the 1920s would the technology of the internal combustion engine develop the qualities of speed and reliability beyond the embryonic stages that restricted armored vehicles to a supporting role. Aircraft as well were limited in their direct, sustained contributions to a ground offensive. Wire-and-strut, fabric-covered planes with fragile engines, even the specialized ground-attack versions developed by the Germans, were terribly vulnerable to even random ground fire. Artillery, despite the sophisticated fire-control methods of 1918, was a weapon of mass destruction. In that context the Reichswehr cultivated its garden, emphasizing human skills—a pattern facilitated because much of the process of maintaining effectiveness involved preventing long-service personnel from stagnating as a consequence of too many years spent doing the same things in the same places with the same people.
The cavalry in particular emerged from its wartime shell. The treaty-prescribed order of battle gave it an enhanced role faute de mieux. The mounted arm was forced to take itself seriously in the tasks of securing German frontiers and preserving German sovereignty. Further incentive was provided by tables of organization, internal organizations that authorized one cavalry officer for two of his infantry counterparts. There were fewer opportunities to withdraw into nostalgic isolation—everyone had to pull his professional weight. As early as spring 1919, a series of articles in Militär-Wochenblatt, the army’s leading professional journal, dealt with the army’s projected reconstruction and included two articles on cavalry. Maximilian von Poseck, the arm’s Inspector-General, argued that in the east, large mounted units had been effective for both reconnaissance and combat, and mobile war was likely to be more typical of future conflict than the high-tech stalemate of the Western Front.
The Reichswehr’s cavalry cannot be described as taking an enthusiastic lead in Germany’s military mechanization. Its regimental officers initially included a high percentage of men who had spent their active service in staffs or on dismounted service, and who were now anxious to get back to “real cavalry soldiering.” In the early 1920s Seeckt consistently and scathingly criticized the mounted arm’s tactical sluggishness, its poor horsemanship, and its inaccurate shooting, both dismounted and on horseback. Too much training was devoted to riding in formation—a skill worse than useless in the field, where dispersion was required. Horses did not immediately become “battle taxis.” Lances were not abolished until 1927—a year earlier, let it be noted, than in Britain. Neither, however, did the cavalry drag its collective feet, or pursue horse-powered dead ends with the energy of their European and American counterparts. After 1928, through judicious juggling of internal resources, each Reichswehr cavalry regiment included a “Special Equipment Squadron” with eight heavy machine guns and, eventually, two light mortars and two light cannon—a significant buildup of firepower, achieved without doing more than slightly bending treaty requirements.
The cavalry also benefited from the absence of institutional rivals. There was no air force to attract forward thinkers and free spirits. Germany had no tank corps, no embryonic armored force, to challenge the horse soldiers’ position and encourage the narrow branch-of-service loyalties that absorbed so much energy on the mechanization question in France, Britain, and the United States. Instead, German cavalrymen were likely to find motor vehicles appealing precisely because they were deprived of them.
German and German-language military literature of the 1920s projected the development of a genuine combined arms formation. While details varied, the core would be three horse-mounted brigades—a total of six regiments, each with a machine-gun squadron. These would cooperate with an infantry battalion carried in trucks, a cyclist battalion, and an independent machine-gun battalion, also motorized. Fire support would be provided by a battalion each of horse-drawn and motorized artillery. With a detachment of around a dozen armored cars, a twelve-plane observation squadron, an antiaircraft battalion, an engineer battalion, and signal, medical, and supply services, this theoretical formation combined mobility, firepower, and sustainability to a greater degree than any of its forerunners or counterparts anywhere in Europe.
In the delaying missions that were generally recognized as probable in a future war’s initial stages, the division could keep an enemy off balance by its flexibility, with its brigades controlling combinations of other units in the pattern of the combat commands of a US armored division in World War II. Offensively the division could operate independently on an enemy’s flank, and behind the kind of rigid front line projected throughout Europe by French- influenced doctrines, disrupting movement by hit-and-run strikes or, in more favorable circumstances, developing and exploiting opportunities for deeper penetration.
Though their concepts could be tested temporarily in maneuvers, these divisions were impossible to create under the original provisions of Versailles. The initial direct impulses for motorization and mechanization instead came from a source no one would have been likely to predict. The Versailles Treaty allocated each infantry division a Kraftfahrabteilung, or motor battalion. As this organization developed it was not the orthodox supply formation most probably envisaged by the Allied officials who structured the Reichswehr, but rather a general pool of motor transport. The hundred-odd men of a motor company had access to two dozen heavy trucks and eleven smaller ones, six passenger cars, four buses, seventeen motorcycles, and two tractors. Treaty interpretation even allowed each battalion a complement of five wheeled armored personnel carriers. These Gepanzerter Mannschaftstransportwagen resembled those used by the civil police, without the twin machine-gun turrets, and could carry a rifle squad apiece. With that kind of vehicle pool on call, it was a small wonder that as early as 1924, units conducted on their own small-scale experiments with organizing motorcycle formations, and provided dummy tanks for maneuvers. The motor battalions were also responsible for the Reichswehr’s antitank training—a logical assignment since they controlled the only vehicles able to provide hands-on instruction.
The motor transport battalions’ practical support for operational motorization was not necessarily a straw in the Reichswehr’s institutional wind. A front-loaded, offensively minded Prussian/German army had traditionally regarded logistics as unworthy of a real soldier’s attention. Under the Kaiser, train battalions had been a dumping ground and a dead end for the dipsomaniac, the scandal-ridden, the lazy, and the plain stupid—the last stage before court-martial or dismissal.
That heritage probably had something to do with the assignment in 1922 of one Lieutenant Heinz Guderian to a staff post in the 7th Kraftfahrabteilung in Munich. Guderian had a good enough war record as a signals and intelligence officer to be assigned as the army’s official representative to the Iron Division in the Baltic. But instead of strengthening General Staff control of that unruly formation, he supported its de facto mutiny in the fall of 1919. Initially transferred to command an infantry company, a punitive measure common for General Staff officers with blotted copybooks, Guderian’s superiors described his new assignment as a positive career move that would improve his professional breadth. Guderian saw it as a further demotion. But given the highly limited opportunities for ex-lieutenants in the civilian economy of 1919 Germany, Guderian finally decided to report to the 7th after all.
His commanding officer was Lieutenant Colonel Oswald Lutz. Lutz had begun his career in the railway troops, then, during the war, shifted to motor transport, eventually becoming its chief for the 6th Army. An enthusiastic supporter of tank development, Lutz had also considered wider aspects of motorization. Serving in the postwar Truppenamt—successor to the forbidden General Staff—in the Weapons Office and then the Inspectorate of Motor Troops, he spearheaded a reconceptu alization of the Reichswehr’s approach to the use of motor vehicles in general and tanks in particular. He insisted on expanding the initial emphasis on technology to include the study of tactics. Lutz also pestered civilian designers to develop prototype specialized vehicles, the artillery tractors and the ha
lf-tracks, with front wheels for steering and caterpillar tracks in the rear for cross-country mobility, that some of his officers were considering as complements to specialized fighting vehicles.
Again, this process was facilitated by circumstances. Guderian’s story of the senior officer who told him trucks were there to haul flour (“Mehl sollt ihr fahren!”) is almost certainly apocryphal. As the Reichswehr settled into its peacetime stations its vehicles were, however, likely to be underemployed. During the war, shortages of gasoline and rubber had increasingly restricted the use of trucks even for basic supply purposes. A century earlier, advocates of railroads had depicted a Germany made invulnerable by troops shuttled behind steam engines. Now a new potential form of strategic/operational mobility was attracting notice. The Reich’s steadily improving road system had even the state railway service investing in buses to supplement its locomotives. Even conservative officers saw the prospects—and career advantages—of eventually establishing a transport force that could quickly shift regiments, perhaps even divisions, to threatened sectors and regions.
In the winter of 1923-24, Reichswehr maneuvers incorporated cooperation between motorized ground troops and simulated air forces. In 1925, the 1st Division in East Prussia included armored cars, motorized artillery, and dummy tanks in its maneuver orders of battle. Such exercises highlighted the Reichswehr’s limited achievements in motorization. They also offered opportunities to consider problems as they arose—and foreign observers noted the Germans seemed well able to correct mistakes involving motor vehicles. In 1924, the motor troops were made responsible for monitoring developments in tank war and preparing appropriate training manuals.
Motorization received a further institutional boost when, in 1926, Colonel Alfred von Vollard- Bockelberg took over as branch Inspector General. He expanded and transformed the branch officers’ course from a focus on technical details of maintenance to a program incorporating, and then emphasizing, tactical studies. It would eventually become the Armored Forces School. In 1929, an improvised motorized “reconnaissance and security battalion,” drawn primarily from the 6th Motor Battalion, took the field for maneuvers. In 1930, the 3rd Motor Battalion was completely reorganized as a fighting formation, including mock-up tanks and antitank guns as well as the more orthodox mix of trucks, cars, and motorcycles. By then a new armored personnel carrier was coming on line, based on a four-wheel civilian truck, with a cupola-mounted machine gun enabling it to double as an armored car. And Bockelberg gave the branch a new name. Henceforth it was titled Motorized Combat Troops.
IV
IN JANUARY 1918, as part of the preparation for the great offensive, Ludendorff ’s headquarters issued the Guide for the Employment of Armored Vehicle Assault Units. It described their main mission as supporting the infantry by destroying obstacles, neutralizing fire bases and machine-gun positions, and defeating counterattacks. Because tanks by themselves could not hold ground, the document emphasized the closest possible cooperation with infantry. Tank crews were expected to participate directly in the fighting, either by dismounting and acting as assault troops, or by setting up machine-gun positions to help consolidate gains. In fact the tanks and infantry had, for practical purposes, no opportunity to train together—a problem exacerbated by the continued assignment of tank units to the motor transport service. In action, the tanks’ tendency to seek open ground and easy going clashed fundamentally with the infantry’s doctrine of seeking vulnerable spots. Nothing happened to change the infantry’s collective mind that tanks were most effective against inexperienced or demoralized opponents.
The widespread and successful Allied use of tanks in the war’s final months made a few believers. In the first months after the armistice, before the Republic’s military structure was finally determined, critics suggested the German army had seriously underestimated the tanks’ value. After Versailles made the question moot in practical terms, theoretical interest continued.
Much of this was conventional, repeating wartime arguments that tanks were most effective in creating confusion and panic, in the pattern of antiquity’s war elephants. Positive theory on the use of tanks closely followed contemporary French concepts in projecting a first wave of heavy tanks acting more or less independently, followed by a second wave of lighter vehicles maintaining close contact with the infantry. But in contrast to the French, who saw tanks as the backbone of an attack, the Reichswehr’s infantry training manual of 1921 warned against the infantry laming its offensive spirit by becoming too dependent on armor.
These positions were in good part shaped by the tanks’ existing technical limitations. In particular they were considered too slow and too unreliable to play a central role in the fast-paced offensive operations central to Reichswehr tactics. At the same time, German military thinkers and writers, Seeckt included, recognized that even with their current shortcomings, tanks had a future. The trailblazer here was Ernst Volckheim. He had been a tank officer during the war, and afterward returned to his parent branch. In 1923 he was assigned to the Reichswehr’s Inspectorate for Motor Troops. That same year he published an operational history of German tanks, affirming armor’s continuing technological development and its corresponding importance in any future war. “If tanks were not such a promising weapon,” Volckheim dryly asserted, “then certainly the Allies would not have banned them from the Reichswehr!”
Above all, Volckheim argued, tanks were general-service systems, able to engage any objective and move in many different formations. In that way, they resembled the infantry more than any other branch of service. The tanks’ future correspondingly seemed to lie with emphasizing their basic characteristics: speed, reliability, and range. In contrast to a general European predilection for light tanks that focused on improving their mobility, Volckheim saw the future as belonging to a medium-weight vehicle built around its gun rather than its engine. In a future war where both sides had tanks, speed might provide some initial tactical opportunities. The tank with the heaviest gun would nevertheless have the ultimate advantage.
The next year Volckheim published two more books on tank war. One repeated his insistence that tanks would develop to the point where infantry would be assigned to support them—a hint of the rise of the panzer grenadier that was near-heresy in an army focused on infantry as the dominant combat arm. Volckheim’s second book went even further, projecting the future main battle tank by asserting that technology would eventually produce a family of armored vehicles specially designed for particular purposes. Equipped with radios, exponentially faster, better armed, and with more cross-country ability than anything even on today’s drawing boards, they would in fact be able to operate independently of the traditional arms—an echo of the theories of Volckheim’s British contemporary, J. F. C. Fuller. He admired as well the designs of American J. Walter Christie, which could be switched from wheels to tracks as needed.
Volckheim was also an officer for the working day. First detached to the Weapons Testing School at Doeberitz, in 1925 he was promoted to First Lieutenant and assigned to teach tank and motorized tactics at the infantry school at Dresden. From 1923 to 1927 he also published two dozen signed articles in the Militär-Wochenblatt, the army’s long-standing semiofficial professional journal. Most of them dealt with tactics of direct infantry support by setting problems and presenting solutions. An interesting subtext of these pieces is the scale of armor Volckheim’s scenarios usually presented: an armor regiment to a division, a battalion supporting a regiment.
Volckheim also addresses the subject of antitank defense—a logical response to the Reichswehr’s force structure—and some of the best were published in pamphlet form. Volckheim recommended camouflage, concealment, and aggressive action on the part of the infantry, combined with the forward positioning of field guns and light mortars to cover the most likely routes of advance. Unusual for the time, Volckheim also recommended keeping tanks in reserve, not merely to spearhead counterattacks but to directly engage enemy armor a
s a primary mission.
Volckheim, with the cooperation of Militär-Wochenblatt’s progressive editor, retired general Konstantin von Altrock, made armored warfare an acceptable, almost fashionable, subject of study in the mid-1920s Reichswehr. Initially most of the material published in MW translated or summarized foreign work. By 1926 most of the articles were by German officers, both from the combat arms and—prophetically—from the horse transport service as well. Fritz Heigl’s survey of world developments, Taschenbuch der Tanks (Tank Pocketbook), whose first edition appeared in 1926, was widely circulated. Its successors remain staples of chain bookstore and internet marketing.
The Reichswehr’s Truppenamt, often described simply as the successor to the treaty-banned General Staff, was actually formed from its predecessor’s Operations Section. Reorganized into four bureaus—operations, organization, intelligence, and training—and more streamlined than its predecessor, the Truppenamt shed responsibility for the kind of detailed administrative planning that had increasingly dominated the prewar General Staff. That was just as well, for while the methods might be transferable, the fundamental reconfiguration of Germany’s security profile demanded fresh approaches.
On the specific subject of armored warfare, the intelligence section monitored foreign developments in tactics and technology systematically enough to issue regular compilations of that material beginning in 1925. German observers took careful notes on postwar French experiences with combining horses and motor vehicles, new material such as half-tracks, and patterns of armor- infantry cooperation. They noted as well the British maneuvers of 1923 and 1924, observing in particular the appearance of the new Vickers Medium, whose turret-mounted 47mm gun, good cross-country mobility, and sustainable speed of around 20 miles per hour made it the prototypical modern tank. English was the fashionable foreign language in the Reichswehr, and Britain was an easier objective for short-term visits. And German officers regularly visited a United States whose army was more willing than any European power to show what they had. In objective terms that was not very much, and most of it existed as prototypes and test models. But the German army offered three months of subsidized leave as an incentive to improve language proficiency, and America offered attractive possibilities for travel and culture shock.
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