Senior Airman Myiah Castillejo, assigned to the 348th Reconnaissance Squadron, performs squats on Grand Forks Air Force Base, N.D., March 29, 2015. Castillejo had been stationed at Grand Forks for six months when she was diagnosed with Stage 3 Hodgkin lymphoma in January 2014. After chemotherapy and radiation treatment, Castillejo was declared cancer free in January 2015. (U.S. Air Force photo/Airman 1st Class Bonnie Grantham)