Key Points and Summary - While the U.S. Army has fielded many exceptional tanks, several have been plagued by significant flaws. -The M3 Lee/Grant, a WWII stopgap, was a top contender for the worst ...

Built on a tractor, armored with corrugated steel, and armed with hope—New Zealand’s Bob Semple Tank was a rolling symbol of desperation during WWII. It looked like a tank, sounded like a lawnmower, ...