28th MXS conducts first-ever on-aircraft Cold Spray structural repair
28th Maintenance Squadron Additive Manufacturing Rapid Repair Facility Airmen ready multiple gases being used for a Cold Spray repair at the South Dakota Air and Space Museum in Box Elder, S.D., Sept. 18, 2019. The GEN III High-Pressure Cold Spray unit uses helium gas to accelerate spherical aluminum particles to bond with the surface needing repaired. (U.S. Air Force photo by Airman Quentin K. Marx)

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Photo by: Airman Quentin K. Marx |  VIRIN: 190918-F-YM413-046.JPG