Simulated patients lay on beds during Exercise Ultimate Caduceus on a C-5M Super Galaxy at Travis Air Force Base, Calif., on Aug. 23, 2108. Exercise Ultimate Caduceus is U.S. Transportations Command’s annual patient movement field training exercise. It simulated bringing in injured troops from overseas, triaging them at Travis AFB, and moving them to longer-term and advanced-care facilities. (U.S. Air Force photo/Staff Sgt. Daniel Phelps)