https://www.youtube.com/watch?v=pFXIkAVbYvc
The DARPA Subterranean Challenge seeks multidisciplinary teams from around the world to compete in the development of the autonomy, perception, networking, and mobility technologies necessary to map explore and search underground networks in unpredictable conditions. The SubT Challenge Competitors™ Day in early Fall 2018 offers interested potential competitors additional information about participating in either the Systems or Virtual competitions. For more details, visit www.darpa.mil and www.subtchallenge.com.
