Staff Sgt. Jose Bracero-Camareno, 436th Security Forces Squadron combat arms instructor, sanitizes classroom desktops and equipment after an M9 Combat Arms Training and Maintenance qualification course May 13, 2020, at Dover Air Force Base, Delaware. Bracero-Camareno and other CATM instructors provided Team Dover members M4 and M9 training prior to their upcoming deployment or permanent change of station. A shelter-in-place order was issued in mid-March to help mitigate the spread of COVID-19. (U.S. Air Force photo by Roland Balik)