Trainees with the 919th Special Operations Wing Development and Training Flight, run during a physical training session at Duke Field, Florida, Feb. 7, 2021. The D&TF prepares new members of the Air Force Reserve for the Basic Military Training physical training regimen. The D&TF gives trainees the opportunity to learn, develop, and cultivate the basic skills of being an Airman prior to attending BMT. (U.S. Air Force photo by Senior Airman Daniella Peña-Pavao)