(Left to right) 1st Lt. Lee Lambert, Utah Test and Training Range, performs modified pull-ups while being monitored by 2nd Lt. Trey Bell, 649th Munitions Squadron, Sept. 27, 2021, at Hill Air Force Base, Utah. A four-month study will monitor exercise and sleep habits via wearable technology to determine if it can be a motivational tool for continual and regular physical fitness. (U.S. Air Force photo by Todd Cromar)