210628-F-CO180-1102
U.S. Army Capt. Heather Meier, a physician assistant with U.S. Army South, Higher Headquarters Battalion, of Joint Base San Antonio-Fort Sam Houston, Texas, examines a patient’s ear during Resolute Sentinel 21 in Melchor De Mencos, Guatemala, June 28, 2021. A key benefit to U.S. service members carrying out RS-21 is the opportunity to learn from and build partnerships with exercise participants from the host nation and other military units. (U.S. Air Force photo by Staff Sgt. Lauren Silverthorne)