Yong Ui Song, left, and Air Force Airman 1st Class Jesse Slater, fire alarm technicians with the 51st Civil Engineer Squadron, assemble an AS1 antenna at the fire department on Osan Air Base, Republic of Korea, Nov. 29, 2018. The new antenna will provide a stronger signal to reach the farthest corners of the base, despite hilly terrain.

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Photo credit: © Ted Small / Alamy / Afripics
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