Building a Tank: A Defense Report on Film 1941 U.S. Office for Emergency Management (OEM); World War II

Building a Tank: A Defense Report on Film 1941 U.S. Office for Emergency Management (OEM); World War II

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M3 Lee medium tank manufacturing at the Detroit Arsenal.

Originally a public domain film from the Library of Congress Prelinger Archives, slightly cropped to remove uneven edges, with the aspect ratio corrected, and one-pass brightness-contrast-color correction & mild video noise reduction applied.
The soundtrack was also processed with volume normalization, noise reduction, clipping reduction, and/or equalization (the resulting sound, though not perfect, is far less noisy than the original).

https://en.wikipedia.org/wiki/M3_Lee
Wikipedia license: http://creativecommons.org/licenses/by-sa/3.0/

The M3 Lee, officially Medium Tank, M3, was an American medium tank used during World War II. In Britain, the tank was called by two names based on the turret configuration and crew size. Tanks employing US pattern turrets were called the “Lee”, named after Confederate general Robert E. Lee. Variants using British pattern turrets were known as “Grant”, named after Union general Ulysses S. Grant.

Design commenced in July 1940, and the first M3s were operational in late 1941. The U.S. Army needed a medium tank armed with a 75mm gun and, coupled with the United Kingdom’s immediate demand for 3,650 medium tanks, the Lee began production by late 1940. The design was a compromise meant to produce a tank as soon as possible. The M3 had considerable firepower and good armor, but had serious drawbacks in its general design and shape, including a high silhouette, an archaic sponson mounting of the main gun preventing the tank from taking a hull-down position, riveted construction, and poor off-road performance.

Its overall performance was not satisfactory and the tank was withdrawn from combat in most theaters as soon as the M4 Sherman tank became available in larger numbers. In spite of this, it was considered by Hans von Luck (an Oberst (Colonel) in the Wehrmacht Heer and the author of Panzer Commander) to be superior to the best German tank at the time of its introduction, the Panzer IV (at least until the F1 variant).

Despite being replaced elsewhere, the British continued to use M3s in combat against the Japanese in southeast Asia until 1945. Nearly a thousand M3s were supplied to the Soviet military under Lend-Lease between 1941–1943.

The M3 Lee was also the medium tank counterpart of the light tank M3 Stuart…

https://en.wikipedia.org/wiki/Tank

A tank is an armoured fighting vehicle designed for front-line combat. Tanks have heavy firepower, strong armour, and good battlefield manoeuvrability provided by tracks and a powerful engine; usually their main armament is mounted in a turret. They are a mainstay of modern 20th and 21st century ground forces and a key part of combined arms combat.

Modern tanks are versatile mobile land weapon system platforms that have a mounted large-calibre cannon called tank gun in a rotating gun turret supplemented by mounted machine guns or other weapons such as anti-tank guided missiles or rockets. They have heavy vehicle armour which provides protection for the crew, the vehicle’s weapons, and propulsion systems as well as provide operational mobility due to its use of tracks rather than wheels which allows the tank to move over rugged terrain and adverse conditions such as mud (and be positioned on the battlefield in advantageous locations). These features enable the tank to perform well in a variety of intense combat situations, simultaneously both offensively (with fire from their powerful tank gun) and defensively (due to their near invulnerability to common firearms and good resistance to heavier weapons, all while maintaining the mobility needed to exploit changing tactical situations). Fully integrating tanks into modern military forces spawned a new era of combat: armoured warfare.

There are classes of tanks: some being larger and very heavily armoured and with high calibre guns, while others are smaller, lightly armoured, and equipped with a smaller calibre and lighter gun. These smaller tanks move over terrain with speed and agility and can perform a reconnaissance role in addition to engaging enemy targets. The smaller faster tank would not normally engage in battle with a larger, heavily armoured tank, except during a surprise flanking manoeuvre…

connecticutorian

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