An F-16 Fighting Falcon, from the 555th Expeditionary Fighter Squadron, Aviano Air Base, Italy, lands on Bagram Airfield, Afghanistan, April 25, 2017. The 555th EFS deployed to Bagram Airfield as part of a rotation of fighters, which have had a constant presence in Afghanistan for more than a decade. (U.S. Air Force photo by Staff Sgt. Benjamin Gonsier)