U.S. Air Force Capt. Hunter Heggerston, 405th Expeditionary Aeromedical Evacuation Squadron flight nurse, examines a piece of equipment before donning personal protective equipment during a training event focused on the Negatively Pressurized Conex-Lite 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)