Reuters
Turkish tanks maneuver during a military exercise near the Turkish-Iraqi border in Silopi, Turkey, September 21, 2017.
The tank is one of the most important weapon systems on the battlefield. Few weapons strike enemy soldiers with the fear that a fully loaded tank rolling towards them does.
After their trial by fire on the fields of Europe in World War I, tanks have become a necessity for any army that wants to be considered a serious foe.
In the one hundred years since its invention, tanks have been the winning factor in a number of battles. Entire wars have depended on their successful use.
Take a look at how 10 of the biggest tank battles in history went: