Gen. Jacqueline Van Ovost, commander of U.S. Transportation Command, explains to senior medical representatives from the other services about Exercise Ultimate Caduceus, March 3, 2022. The USTRANSCOM-led annual field training exercise is designed to simulate bringing injured troops from outside the continental U.S. to advanced care centers stateside. (U.S. Navy Photo by Mass Communication Specialist 1st Class David Kolmel)