U.S. Air Force Senior Airman DeMarcus Mitchell, 21st Operational Medical Readiness Squadron bioenvironmental engineering apprentice, demonstrates the exercises he has created for his unit’s PT session at Peterson Space Force Base Colorado, Mar. 14, 2022. Mitchell served as a physical training leader for just two months before he became the unit fitness program manager for his squadron. (U.S. Space Force photo by Airman 1st Class Aliviah Williams)