17th FSS host Team Cohesion Challenge Published Aug. 18, 2015 By Staff Sgt. Michael Smith 17th Training Wing Public Affairs GOODFELLOW AIR FORCE BASE, Texas -- Participants of the Team Cohesion Challenge ruck march while carrying punching bags on perimeter road on Goodfellow Air Force Base, Texas, Aug. 15, 2015. The goal of the event was to encourage team building though strenuous physical activity and remove cultural biases between military services. (U.S. Air Force photo by Staff Sgt. Michael Smith/Released)