Thracian Star 21; Bulgarian and U.S. Air Force strengthen interoperability
An F-16 Fighting Falcon assigned to the 555th Fighter Squadron fires ammunition at a range during Bulgarian air force-led Thracian Star 21 at a Graf Ignatievo Air Base range, July 14, 2021. Training missions during Thracian Star 21 include offensive counter air and defensive counter air, protection of high value assets, and close air support in a contested environment. (U.S. Air Force photo by Airman 1st Class Brooke Moeder)

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Photo by: Airman 1st Class Brooke Moeder |  VIRIN: 210714-F-ZR251-3288.JPG