A General Dynamics F-16 Fighting Falcon pilot and crew member from Aviano Air Base, Italy, wait while their F-16 receives fuel from a Boeing KC-135 Stratotanker, assigned to the Arizona Air National Guard’s 161st Air Refueling Wing, Jan. 27, 2017, at Souda Bay, Greece. The KC-135 refueled U.S. and Hellenic air force F-16s during the FTD, which was hosted to evaluate aircraft and personnel capabilities and increase interoperability between the two NATO allies.