Two U.S. Air Force KC-135 refueling aircraft concluded their deployment at the Bezmer Air Base in southeastern Bulgaria last week, departing the facility on Friday. The presence of these aircraft in the region had previously become a point of diplomatic friction, as Iranian officials expressed vocal opposition to the U.S. military activity in the area.

According to Bulgarian Defense Minister Dimitar Stoyanov, the aircraft were stationed in Bulgaria specifically to conduct training exercises. While the U.S. military has not provided extensive details regarding the specific nature of these drills, the departure marks the end of a deployment that had been highlighted by regional geopolitical tensions. The U.S. has maintained a presence in various Eastern European nations as part of broader NATO-aligned security efforts, though the specific focus on the Bezmer base drew particular attention due to the Iranian response. The departure of the planes appears to coincide with the conclusion of the scheduled training window, though the timing has been noted by observers in the context of ongoing regional instability.