There is little denying the influence and importance of the tank in modern armies. With more than 70,000 tanks in active service around the world, they make up a huge part of every military force.

Russia's most modern tank has been seen suffering a 'disco head ... expected to cause little damage to the T-90s due to their heavy frontal armour. However, after a few hots the tank's turret ...

Traditional infantry and cavalry tactics weren't cutting it against the heavy artillery ... was hugely underpowered. A modern M1 Abrams, the US Army's main battle tank, moves its 68-ton bulk ...