Air Force Airman 1st Class Marvin Sapp, 7th Civil Engineer Squadron electrical systems apprentice, left, and Staff Sgt. Kaleb Slaughter, 7th CES electrical systems journeyman, switch the breakers open at Dyess Air Force Base, Texas, Feb. 1, 2018. While Sapp switches the breakers open, Slaughter communicates each step with the rest of his team in another area using a walkie talkie radio. ( Air Force photo by Airman 1st Class Kylee Thomas)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
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Keywords: air, force