Planes were a very new invention, they were rare and fragile. But when World War One started they became weapons. Pilots could spy on enemy targets and the first bombs were dropped from the air.

World War One's deadliest weapon was not the machine gun or rifle, but artillery - responsible for around two-thirds of all casualties on the Western Front. High Explosive obliterated trenches and ...

In the battlefield conditions of WW1 this meant an average of 500 rounds ... Compare this to the best riflemen and their bolt action, single fire weapons, which at best could attain 15 rounds ...

By 1914 the submarine was not a new weapon, having first been used 150 years earlier. By the start of WW1 all the major ...