(Left to right) Capt. Nichole Johnson, Air Force Exercise Science Unit, takes strength measurements of Airman 1st Class Blaydon Wilson, 649th Munitions Squadron, during a fitness beta test conducted by the Exercise Science Unit 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)