U.S. Soldiers approach a UH-60 Black Hawk helicopter near Geronimo Landing Zone during the Joint Readiness Training Center 14-03 field training exercise at Fort Polk, La., Jan. 17, 2014.
The training was designed to educate Service members in patient care and aeromedical evacuations in combat environments. (DoD photo by Tech. Sgt. Matthew Smith, U.S. Air Force/Released). Original public domain image from Flickr