U.S. Air Force Airman 1st Class Alyssa England and Senior Airman Michael Ayala, 633rd Medical Operations Squadron cardiopulmonary laboratory technicians, demonstrate how to measure blood pressure at Joint Base Langley-Eustis, Virginia, Feb. 26, 2018. Checking blood pressure is one way of measuring heart health. (U.S. Air Force photo by Airman 1st Class Monica Roybal)