Reserve Citizen Airmen with the 560th RED HORSE Squadron, Joint Base Charleston, S.C. conduct construction and civil engineering training at McCrady Training Center, Eastover, S.C. April 4, 2018. More than 200 Reserve and Active duty Airmen participated in this year's training in support of the Red Horse mission to provide a dedicated, mobile, flexible, self-sufficient heavy construction engineering force for airfield, base infrastructure and special capabilities to support worldwide contingency operations. (U.S. Air Force photo by Senior Airman Steven A. Ortiz)