Blake Greenfield, Base Operational Medicine Clinic physician assistant, performs a fundoscopic eye exam on Senior Airman Jacob Maltos, aerospace medical service technician with the 28th Medical Group at Ellsworth Air Force Base, S.D., Sept. 25, 2025. PA’s are integral to the 28th MDG’s mission of delivering high-reliability healthcare and generating total force readiness at Ellsworth AFB. (U.S. Air Force Photo by Airman 1st Class Alec Carlberg)