U.S. Air Force Staff Sgt. Matthew Evans, 435th Construction and Training Squadron contingency instructor, poses for a photo during a welding course at Ramstein Air Base, Germany, April 28, 2020. To help prevent the spread of coronavirus disease 2019, all instructors and students wore cloth face coverings and maintained physical distancing. (U.S. Air Force photo by Senior Airman Milton Hamilton)

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Photo by: Senior Airman Milton Hamilton |  VIRIN: 200428-F-VQ832-1082.JPG