A Republic of Korea defender concludes his shift change during exercise Vigilant Ace 18 at Osan Air Base, Republic of Korea, Dec. 5, 2017. During the week-long exercise, the and ROK are combining their forces, training on mutual support procedures, further improving understanding and trust between the two nations, and ensuring interoperability. ( Air Force photo by Staff Sgt. Alex Fox Echols III)

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Size: 6697px × 4018px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 51st, defenders, osan, rok, sfs, va18