Turtle, Little Willie, the Foxbat and the Marne

6 September has three warfighting technologies in common: the first submersible vessel to attack an enemy ship; the first purpose-built armored fighting vehicle; and the surprise discovery that an advanced-technology fighter wasn’t so advanced after all.  All of these are joined by one of the best-remembered counterattacks of WWI.

The idea of submersible vessels had fascinated people for centuries.  Diving bells (tethered air chambers) were described by Aristotle in the 4th century BCE.  Alexander the Great is said to have used one, but the earliest reliable accounts date from the 16th century.  Self-propelled diving submersibles were described as early as 1562, but it wasn’t until the invention of the ballast tank for submersibles in 1747 that they became self-sustaining.  David Bushnell, an American college student at Yale University, built a vessel he called Turtle in Old Saybrook, CT, in 1775.  On 6 September, 1776, with a volunteer operator named Ezra Lee at the controls, Turtle sailed into New York Harbor and tried to attach an explosive charge to HMS Eagle, a 64-gun third-rate ship and Richard Howe’s flagship.  That effort, and several others in successive days failed, and there is some speculation that the whole story was fabricated.  The original Turtle was sunk that October, and though Bushnell claimed to have recovered her, her whereabouts afterwards are unknown.

The idea of submersible vessels had fascinated people for centuries.

On much more solid ground historically, and somewhat less momentous, was the production of the first prototype armored vehicle that could be called a precursor to the modern tank.  Like the submarine, self-propelled armored vehicle designs had abounded since time immemorial, but few had ever been even attempted as practical designs because powerplants were always the biggest problem.  But by 1915, there was a growing demand for a vehicle that could support infantry in the attack in a trench-strewn environment. Variously called a Tritton Tractor (for the designer, William A. Tritton) and Number 1 Lincoln Machine, the vehicle that would later only be known as Little Willie officially rolled out of the William Foster agricultural machinery factory on 6 September, 1915, and began trials on 9 September.  Militarily, Wille was unimpressive: main gun was a 2-pdr pom-pom; weight 16.5 tons, crew six (operationally, but this design never saw a shot fired in anger).  Many larger vehicles followed, and eventually Willie made its way to the tank museum at Bovington.

…by 1915, there was a growing demand for a vehicle that could support infantry in the attack in a trench-strewn environment

Unlike Turtle and Little WIllie, the Foxbat’s (NATO code name for the Soviet-built MiG-25) entry into our story was accidental, or at least was once said to have been. Since its first flight in 1964  and entry into Soviet service in 1970, the record-breaking Foxbat had been an object of interest and dread by the Western air forces, who all insisted that Mikhail Gurevich’s last design was superior to all other Western aircraft: it spurred the development of the F-14 and the F-16.  On 6 September, 1976, Soviet Air Defence Forces Lt. Viktor Belenko landed his MiG-25P (the earliest production version) at Hakodate Airport in  Japan.  Early unofficial reports had Belenko confused as to where he was (the weather over the Sea of Okhotsk is hard to predict, so he may have gotten lost in a sudden overcast or storm), but later it was said that he had wanted to defect.  However it happened, the Japanese invited American and other Western intelligence officials to examine the much-fabled Foxbat, over strenuous Soviet protests.  Close inspection and complete dismantlement followed. It was discovered, among other things, that the airframe was nickel steel, and not titanium as once thought; the aircraft was welded by hand, and rather quickly at that; the acceleration load was rather low (2.2 Gs) with a relatively short operational range; the avionics were based on vacuum tube technology, not solid-state like most of the West.  The Foxbat was nowhere near as formidable as once thought.  The last Foxbat was built in 1984 after several design changes, and it remains in limited service with former Soviet clients.  It remains the second fastest military production aircraft in history, even if the speeds achieved usually destroyed the engines.

…the record-breaking Foxbat had been an object of interest and dread by the Western air forces…

The submarine, the main elements for the tank (the internal combustion engine and the crawler) and the airplane, the major mechanical elements for mechanized industrial warfare were in place when World War I, where all these came together for the first time, had just begun its first major bloodletting in the first full day of the first battle of the Marne on 6 September 1914. Though the war in Europe had been going on for a month and the casualties were already catastrophic by European standards, the French-British counteroffensive shattered all expectations of warfare. A million Germans and a million Englishmen and Frenchmen fought for a week in open country, resulting in a German retreat back towards the Aisne River and a quarter million casualties on each side.  This setback completely upset the German offensive timetable, and there was no real replacement for it, so they hunkered down to hold onto what they had grabbed.  Within a year, all of Europe would be in a state of siege called the Western Front, where fortified lines stretched from the North Sea to the Swiss frontier and future advances were measured in yards per thousand casualties.  The Marne and the ensuing horror was why Little Willie and all that followed him were built, why the Germans in desperation resorted to unrestricted submarine warfare that would lead to the Americans entering the war, and why the war in the air was pushed to the limits of human and machine endurance and imagination that would culminate in the Foxbat and the ultimate-performance aircraft that followed it.

An auspicious day, 6 September.

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