Heterogeneous Ground and Air Platforms, Homogeneous Sensing: Team CSIRO Data61's Approach to the DARPA Subterranean Challenge. - Nicolas Hudson; Fletcher Talbot; Mark Cox; Jason Williams 002; Thomas Hines; Alex Pitt; Brett Wood; Dennis Frousheger; Katrina Lo Surdo; Thomas Molnar; Ryan Steindl; Matt Wildie; et al. (Field Robotics, 2022)