A U.S. Air Force C-17 Globemaster III is prepped to transport a transportation isolation system March 6, 2019, during a training exercise that allows Airmen to practice the most effective and safest form of transportation for patients and their medical professionals. Engineered and implemented after the Ebola virus outbreak in 2014, the TIS is an enclosure the Department of Defense can use to safely transport patients with highly contagious diseases. (U.S. Air Force photo by Senior Airman Cody R. Miller)