Every modern vehicle needs a motor of some kind, usually an internal combustion engine. Given the prevalence of cars, lots of people take the time to learn the ins and outs of the best and worst ...

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Tanks have been around since World War I, and by necessity, they've always been large, heavy military machines. Their tremendous size and weight come from the thick armor plating affixed to various ...

[This article was first published in Army Sustainment Professional Bulletin, which was then called Army Logistician, volume 2, number 6 (November–December 1970), page 40. The text, including any ...

Sgt. Zachary Wilson reloads ammunition on an M1A1 Abrams tank during qualification tables on Fort Carson, Colorado. (Sgt. William Rogers/U.S. Army) For steel beasts, the most dangerous habitat is ...