Senior Airman Michael Studer, 11th Civil Engineer Squadron structural journeyman, sands down welding points to a base gate outside the metal workshop on Joint Base Andrews, Md., June 1, 2016. The structures section of the 11th CES works with metal and wood projects that focus on preventive maintenance, lock jobs and repairs throughout base. ( Air Force photo by Airman 1st Class Philip Bryant)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
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Keywords: air, andrews, base, civil, engineer, force, joint, structures, welding