With their increasing contribution to operational activity in a variety of arenas, their capabilities on the battlefield have also expanded. So how did this happen? We looked up - and deep into enemy territory.

This small and "simple" vehicle, which has become part of the war landscape today, has quite a few capabilities that make it significant on the battlefield: it is stealthy, can penetrate through narrow openings, descend into the bowels of the earth and serve as another pair of eyes - capable of even neutralizing threats. This is the story of drones in the field.

So what makes a drone - a combat tool?