Senior Airman Ernest Trosen, 319th Contracting Flight contract administrator, organizes files for the contracting flight on May 16, 2013, on Grand Forks Air Force Base, N.D. The Walcott, N.D., native was named the base’s Warrior of the Week for the fourth week of May 2013. (U.S. Air Force photo/Airman 1st Class Zachiah Roberson)
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