A 555th Expeditionary Fighter Squadron pilot waits for directions at Bagram Airfield, Afghanistan, June 16, 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. The F-16s presence here serves the counterterrorism mission and deters actions against coalition forces—day or night. (U.S. Air Force photo by Staff Sgt. Benjamin Gonsier)