American Tank History - with R. Lee Ermey (Lock'n'Load - History Channel)
http://www.dimology.com/custom/tanks-modern-tech-tree.html
You can find full DVD Set on History Channel webshop
http://shop.history.com/war-warfare/index.php?v=history_subject_war-and-warfare
From Da Vinci basic idea to last generation of MBTs (Main Battle Tanks). Everything started in Great War with French, German and British tank beasts. But one little French tank change the path of tanks in the future and