18th MXG fuels training leaves no man behind Published Nov. 9, 2023 By Airman 1st Class Edward W. Yankus and Airman 1st Class Melany Bermudez 18th Wing Public Affairs KADENA AIR BASE, Japan -- 353rd Special Operations Aircraft Maintenance Squadron fuel systems craftsmen conduct a fuel systems confined space extraction. Confined space exercises are required because maintainers working on the fuel cell interiors may become stuck or pass out and need extraction.