U.S. Air Force Lt. Col. Kirk Drennan, an optometrist with the Utah Air National Guard’s 151st Medical Group, performs an eye exam at Unidad de Salud Familiar Niño de Jesús in Asuncion, Paraguay June 18, 2026, as part of exercise Amistad 2026. More than 20 National Guard members from Arkansas, Colorado, Iowa, Massachusetts, Rhode Island and Utah are taking part in the two-week exercise aimed at strengthening partnerships and regional health security. Photo by Master Sgt. Whitney Hughes.