But when World War One started they became weapons. Pilots could spy on enemy ... was for a container to hold water and called it a tank. Really the tank was a totally new weapon.

Invented in 1915 and used to great effect during World War One, they have captured the ... and two sponson mounted weapons, the tank is incredibly versatile. One of the primary vehicles used ...

But when World War One started they became weapons. Pilots could spy on enemy ... was for a container to hold water and called it a tank. Really the tank was a totally new weapon.