The document discusses the Black Hornet Nano, a small military drone used for reconnaissance. It is only 10x2.5 cm and weighs just over half an ounce, but has a range of over 1 km and endurance of up to 25 minutes. It provides troops with situational awareness by flying into enemy territory to take video and photos. The Black Hornet PD-100 is a commercially available personal reconnaissance system that provides intelligence and surveillance capabilities. It has autonomous flight abilities and can fly preplanned routes with its integrated GPS.