A U.S. Air Force member assigned to the 405th Expeditionary Aeromedical Evacuation Squadron check the serviceability of a breathing apparatus in Southwest Asia, July 30, 2020. The NPC-Lite is the latest isolated containment chamber developed for intra-theater airlift of individuals with infectious diseases like COVID-19 and is designed to fit inside a C-130 Hercules aircraft. (U.S. Air Force photo by Staff Sgt. Justin Parsons)