Battle of the bots: Find out about the ROVs, UUVs, AUVs, USVs, AUSVs, UGVs, ALVs, UAVs, RPAs and UCAVs in development, and how they will all work together in the battlegrounds of the future. This is what will happen when the autonomous killer robots are let loose. Apart from algorithmic bias, a lack of accountability when things go wrong, and the ethical concerns over a lack of human agency, one of the major concerns is that the world powers can go into an AI and robotics arms race, which makes it easier to go into war, and countries become reckless and adventurous.