Staff Sgt. Sylvester Snell, 28th Medical Operations Squadron public health technician, discusses his vision for events with fellow classmates during a group exercise as part of a Comprehensive Airman Fitness training course in the Freedom Chapel at Ellsworth Air Force Base, S.D., Feb. 20, 2014. Snell, along with others in attendance, will be leading CAF Day activities in their respective units Feb. 27. (U.S. Air Force photo by Senior Airman Anania Tekurio/Released)