Hyderabad-based defence training solutions provider Zen Technologies Limited had been granted an Indian patent for its “T-72 Containerized Crew Gunnery Simulator ... of the US Army and ...

So, here's how the U.S. built its first-ever tank, how it served in the Army, and where we can still see its design in tanks on today's frontlines. [Featured image by John Schaunlaub via Wikimedia ...