Senior Airman Benjamin Amirault uses a band saw to remove extra poly-metal from a crosswalk sign Aug. 15, 2013, at Ellsworth Air Force Base, The 28th Civil Engineer Squadron sign shop creates a wide variety of signs including traffic, building, street, safety and special event signs. Amirault is a 28th CES structures technician. Airman 1st Class Alystria Maurer

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Photo credit: © Z2A1 / Alamy / Afripics
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Keywords: .., air, defense, force, military, united, war