Ken Long, an engineering equipment operator assigned to the 28th Civil Engineer Squadron, and Airman 1st Class Joshua Tabasa, a heavy equipment operator assigned to the 28th Civil Squadron, lower equipment down into a confined space on Ellsworth Air Force, S.D., May 18, 2021. Long was required to weld the grate to the walls of the confined space. (U.S. Air Force photo by Airman 1st Class Jonah Fronk)