A member of the Navy's bomb detection unit sits on the ground during training to diffuse IEDs (Improvised Explosive Devices) with a remote control bomb diffusion robot called a Packbot, which is over a decade old. The training facility, located at Spawar (Space and Naval Warfare Systems Command) in San Diego, is meant to resemble a village in the Middle East. Spawar is a research and operations arm of the Navy. The Unmanned Systems Group at Spawar is developing autonomous vehicles for the military, which they think will revolutionise the way the military fights. The challenge is to develop autonomous vehicles sturdy enough to operate in environments where there are no roads.