DARPA Holding Subterranean Challenge Competitors Day This Week The goal of this Challenge is to discover innovative solutions to rapidly and remotely map, navigate, and search complex underground environments, including human-made tunnel systems, urban and municipal underground infrastructure, and natural cave networks. Sep 25, 2018 DARPA's Tactical Technology Office is holding a Competitors Day on Sept. 27 to communicate the vision and timeline of the DARPA Subterranean Challenge. The goal of this Challenge is to discover innovative solutions to rapidly and remotely map, navigate, and search complex underground environments, including human-made tunnel systems, urban and municipal underground infrastructure, and natural cave networks. The Competitors Day is meant to engage potential competitors and provide a space for technical and operational exchange to support teaming. An in-person meeting will take place from 8 a.m. to 5 p.m. at the Louisville Mega Cavern in Louisville, Ky., and the event will be webcast for anyone who would like to participate remotely. Additional details, including registration instructions, are available here.