U.S. Airman watch as a U.S. Air Force F-15C Eagle fighter jet lands for the first time on Ukrainian soil to participate in CLEAR SKY 2018, Oct. 6. The exercise promotes regional stability and security, while strengthening partner capabilities and fostering trust. The training at CLEAR SKY greatly improves interoperability among participating countries. The F-15C landed at Starokostiantyniv Air Base where the majority of the multinational exercise involving approximately 950 personnel from nine nations will take place. ( U.S. Air National Guard photo by Tech Sgt. Charles Vaughn)

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Photo by: Tech. Sgt. Charles Vaughn |  VIRIN: 181006-Z-VM449-064.JPG