Chief Master Sgt. David Duncan, 319th Air Base Wing command chief, prepares to serve during the 319th ABW Wing Staff Agencies volleyball game against the 69th Reconnaissance Group Feb. 26, 2015 on Grand Forks Air Force Base, N.D. The 319th WSA lost to 69th RG by seven points, 25-18. (U.S. Air Force photo/Airman 1st Class Bonnie Grantham)
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