210606-Z-VA676-0026
Master Sgt. Derek Leppek stands outside a small B-Hut, or barracks hut, style building at Selfridge Air National Guard Base, Mich., June 6, 2021. Leppek oversaw the creation of the temporary building, which will be used by the 127th Civil Engineer Squadron for hands-on construction trades training at the base. (U.S. Air Force photo by Master Sgt. Dan Heaton)