Thracian Star 21; Bulgarian and U.S. Air Force strengthen interoperability
A weapons load crew member assigned to the 555th Aircraft Maintenance Unit prepares to load a munition onto a U.S. Air Force F-16 Fighting Falcon during the Bulgarian air force-led exercise Thracian Star 21 at Graf Ignatievo Air Base, Bulgaria, July 12, 2021. Exercises such as Thracian Star 21 provide both U.S. Airmen and Bulgarian forces an opportunity to extend joint warfighting capability through operational and tactical training. (U.S. Air Force photo by Airman 1st Class Brooke Moeder)

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Photo by: Airman 1st Class Brooke Moeder |  VIRIN: 210712-F-ZR251-1432.JPG