Senior Airman Ainsley Varvel, structural technician assigned to the 820th RED HORSE Squadron (RHS) installs a roll up door in Area 2 at Nellis Air Force Base, Nevada, May 7, 2020. The 820th RHS halted construction projects at the start of the COVID-19 pandemic to prevent the spread until May 4, 2020. They restarted work on critical tasks by working in small teams, and closely followed sanitation and distancing protocols. (U.S. Air Force photo by Airman 1st Class Bryan Guthrie)