Airman Michael Herrera-Bradford, 362nd Training Squadron crew chief apprentice course students, helps stock shelves at Sheppard Air Force Base, Texas, April 2, 2020. On March 25, 2020 all Department of Defense commissaries were deemed mission essential. To help out those who work the hardest to supply the base, Airmen in Training were sent from their squadrons to help with what they could. (U.S. Air Force photo by Senior Airman Pedro Tenorio)