A Special Tactics airman from the U.S. Air Force Special Operations Command tests the feasibility of an airfield runway for a range of Afghan and coalition aircraft in Faryab province, Nov. 29, 2017. The Special Tactics airmen ensure access to traditional airfields and field landing strips to increase the operational reach of coalition and Afghan aircraft for reconnaissance, troop delivery, and strategic air support operations. (U.S. Air Force photo by SSgt. Doug Ellis)