U.S. Air Force Lt. Col. Erwin Gines, 86th Medical Group chief nurse, briefs NATO officers on U.S. Air Force and Army medical evacuation procedures Aug. 25, 2015, at Ramstein Air Base, Germany. More than 60 NATO officers from around the globe attended a medical response demonstration here, which exhibited the U.S. Air Force and Army’s rapid medical and casualty evacuation abilities. (U.S. Air Force photo/Senior Airman Nicole Sikorski)