The UAV Challenge - Outback Rescue, also known as the UAV Outback Challenge or UAV Challenge, is an annual competition for the development of unmanned aerial vehicles. The competition was first held in 2007 and features an open challenge for adults, and a high-school challenge. The event is aimed at promoting the civilian use of unmanned aerial vehicles and the development of low-cost systems that could be used for search and rescue missions. The event is one of the largest robotics challenges in the world and one of the highest stakes UAV challenges, with the 2018 Medical Express version of the event offering $75,000 to the winner.