A U.S. Air Force Airmen with the 307th Civil Engineer Squadron grades a runway for the airport in Clarksdale, Miss., June 29, 2015. The 307th CES and 301st CES teamed up to work on the airport as part of the Air Force Reserve Command's Innovative Readiness Training initiative. The program allows AFRC units to help underserved communities while gaining training experience. (U.S. Air Force photo by Senior Airman Rodney Gibson/released)