Members of Joint Base Andrews, Turkey's Air Force and attachés pose for a photo following a flight with the 1st Helicopter Squadron here, April 6, 2016. Gen. Abidin Ünal, Turkey's Air Force Chief of Staff, visited the squadron during his trip to the U.S. to build U.S. – Turkey relations. (U.S. Air Force photo by Senior Airman Ryan J. Sonnier/RELEASED)