U.S. Air Force Staff Sgt. Frederick Broussard, 86th Aeromedical Evacuation Squadron air medical evacuation technician, sets up oxygen lines in a Negatively Pressured Conex Lite at Ramstein Air Base, Germany, July 27, 2021. The NPCL is used for transporting patients who have contracted COVID-19 and keeps those involved safe from contracting it. (U.S. Air Force photo by Airman 1st Class Madelyn Keech)