Cramped spaces and fuel vapors: MacDill “Tank Divers”
U.S. Air Force Airman 1st Class Luis Garcia-Munoz, a 6th Maintenance Squadron (MXS) fuels system apprentice, and Staff Sgt. Dakota Williamson, a 6th MXS fuels system craftsman, test a fuel cell bladder for leaks at MacDill Air Force Base, Fla., Nov. 25, 2019. By sealing and inflating the fuel cell bladder, the 6th MXS “Tank Divers” uncover leaks or cracks using either a chemical or bubble solution. (U.S. Air Force photo by Airman 1st Class Ryan C. Grossklag)

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Photo by: Airman 1st Class Ryan C. Grossklag |  VIRIN: 191125-F-GM327-1139.JPG