Proceedings of the 18^th Biennial International Conference on Engineering, Science, Construction, and Operations in Challenging Environments, held in Denver, Colorado, April 25-28, 2022. Sponsored by the Aerospace Division of ASCE.

This proceedings contains 82 peer-reviewed papers on engineering in extreme environments.

Topics include: granular materials in space exploration; exploration and utilization of extraterrestrial bodies; advanced materials and designs for aerospace and terrestrial structures under extreme environments; dynamics, controls, smart structures, sensors, and health monitoring of structures; and space engineering, construction, and architecture for the Moon, Mars, and beyond.

This collection will be of interest to engineers, scientists, educators, and professionals from varied disciplines working in challenging environments.