Key facts
- Two U.S. Air Force KC-135 tanker aircraft have left Bulgaria's Bezmer air base.
- The aircraft's deployment on July 22 had angered Iran.
- Iran accused the U.S. deployment of constituting complicity in aggression.
- Bulgaria dismissed Iran's charges and stated its decisions were well-founded.
- The planes conducted training missions over allied countries during their deployment.
Two U.S. Air Force KC-135 tanker aircraft have departed Bulgaria's Bezmer air base, according to Bulgarian Defence Minister Dimitar Stoyanov. The aircraft had been temporarily deployed to the Balkan country nearly a month prior, a move that had angered Iran.