U.S. Army Pfc. Kyla Ezzell, a student assigned to the 264th Medical Battalion, uses a goniometer during the patient positioning portion of the radiologic technologist course at Medical Education and Training Campus on Joint Base San Antonio-Fort Sam Houston, Texas, March 16, 2026. A goniometer is used to measure joint angles accurately and reinforce proper patient positioning techniques. (U.S. Air Force photo by Zelideth Rodriguez)