Members assigned to Joint Base Langley-Eustis, pose for a photo after a resiliency color run at Langley Air Force Base, Va., Oct. 20, 2017. The Air Force teaches its members to use the four pillars of Comprehensive Airman Fitness—mental, physical, social and spiritual to help build and sustain a resilient workplace and community. (U.S. Air Force graphic by Airman Steven Sechler)