William Goins, 21st Medical Group health promotions flight commander and certified exercise physiologist, increases incline on a treadmill while 2nd Lt. Michael Horvat, 2nd Space Operations Squadron mission analyst, runs as part of a VO2 test inside Building 135 at Schriever Air Force Base, Colorado, Oct. 25, 2018. The test is designed to evaluate the patient’s maximum oxygen capacity. (U.S. Air Force photo by Senior Airman William Tracy)