Weekend Duty
U.S. Air Force Col. Matt Humes, 52nd Aircraft Maintenance Group commander, sings at The Coffee Mill with the band Weekend Duty Jan. 31, 2014, at Spangdahlem Air Base, Germany. Weekend Duty played in over 32 performances last year. (U.S. Air Force photo by Senior Airman Rusty Frank/Released)

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Photo by: Senior Airman Rusty FrankReleased |  VIRIN: 140131-F-YU668-407.JPG