Marine. Linguist. Traveler (50 countries and 50 States by 1970). Farmboy. Perpetual Student with degrees in journalism, history, divinity and psychology. Retired for 18 years. Strokes, hip replacment, Borneo and Vietnam gun shot wounds. Survivor. Married for more than 50 years to the same wonderful lady, the father of four, grandfather of twelve, and great-grandfather of three.

http://wiki.answers.com/Q/What types of tanks did America use in World War 2