Airman specializes in handcrafted bicycle frames
Air Force 1st Lt. Ken Cerreta files a weld on a custom-built bicycle frame. Cerreta hopes to turn his craft into a full-time job when he retires from the Air Force. (Paul Holcomb/U.S. Air Force)

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Photo by: Paul Holcomb |  VIRIN: 170128-F-QT350-0002.JPG