Increasingly, world governments are seeing the benefits of using robots in wars instead of foot soldiers. In addition, robots are used by law enforcement agencies around the world. What do these robots do? How do they work? How can replacing soldiers and police officers with drones and other robots save lives? These questions and more are answered in this exciting volume. Engaging sidebars, full-color photographs, and fascinating fact boxes add to this in-depth look at advancements in defense robotics, and a list of discussion questions challenges readers to look at this issue from a new point of view.