Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Unmanned combat air vehicles or combat drones are unmanned aerial vehicles that are designed to attack targets without an onboard pilot. Currently operational UCAVs are under real-time human control, but future version may enable autonomous operation, for example with pre-programmed route and target details. Learn more about unmanned combat air vehicles and their role in warfare today and in the future in this book.