Malmstrom locksmiths have combination of key skills
Dozens of different keys hang on a wall at the 341st Civil Engineer Squadron lock shop Feb. 3, 2015, at Malmstrom Air Force Base, Mont. Each key is used for different bands of locks and each has a specific number of tumblers it can work with. (U.S. Air Force photo/Airman 1st Class Dillon Johnston)

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