Military Drone :
Black Hornet Nano – a military micro unmanned aerial vehicle (UAV) developed by Prox Dynamics AS of Norway, and in use by the British Army. measures around 10 × 2.5 cm (4 × 1 in) and provides troops on the ground with local situational awareness. They are small enough to fit in one hand and weigh just over half an ounce (16 g, including batteries). The UAV is equipped with a camera, which gives the operator full-motion video and still images.