Graham Thornton, 100th Civil Engineer Squadron groundsman, and a member of the pavements and construction equipment shop, hammers a stake into the ground to complete a sidewalk construction project March 11, 2020, at RAF Mildenhall, England. Thornton was part of a team assigned to expand a sidewalk near the child development center. (U.S. Air Force photo by Airman 1st Class Joseph Barron)