Photos: A century of tanks

The M3A1 "Stuart" light tank could accommodate four people. The World War II-era weapon weighed 28,500 pounds, could reach 36 mph, and had a range of 90 miles. It featured four guns--a M6 37mm rifled gun, and three M1919A4 .30 caliber light machine guns.

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Photo by Daniel Terdiman/CNET News.com