Mark Carson, lead machinist at Hyper-Ballistic Range G, uses a come-along to slide a section of the 8-inch barrel for the Range G gun farther into the test tank to be connected and aligned with another section, March 22, 2021, at Arnold Air Force Base, Tenn.

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Photo credit: © Operation 2021 / Alamy / Afripics
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Keywords: air, arnold, ballistic, base, branch, force, hypervelocity, range, ranges, space, test