1st Lt. Megan Lange function checks a portable suction unit aboard a C-17 Globemaster III aircraft Dec. 10, 2011 at Joint Base Charleston, S.C. Lieutenant Lange is a flight nurse with the 315th Aeromedical Evacuation Squadron at JBC, and she is trained and equipped to provide in-flight medical care aboard the C-17 Globemaster III and other mission directed aircraft. (U.S. Air Force photo/Staff Sgt. Shane Ellis)