Meagan Willis, 7th Medical Operations Squadron physical therapist assistant, demonstrates an exercise to U.S. Air Force Capt. Charles Nkerbu, 7th Medical Support Squadron pharmacy flight commander, in the fitness center indoor pool at Dyess Air Force Base, Texas, May 8, 2019. The exercises and stretches done in the water depend on the diagnosis from the physical therapist and are based on the patient’s needs. (U.S. Air Force photo by Senior Airman Kedesha Pennant)