U.S. Army Capt. Justin Mandeville observes as Polish Land Forces cadets treat a simulated casualty at the Role 1 treatment facility lane during MILITARY DOCTOR 20 at Training Field Jeżewo, Poland, July 30, 2020. Cadets underwent testing and training during the event, which is required for them to become military doctors. Soldiers assigned to U.S. Army Europe with medical military occupational specialties were invited for a subject matter exchange.