Greg Smartt, left, and Tim Mullins, Arnold Engineering Development Complex machinists, rotate a connection assembly into place on the end of the 8-inch barrel for the Hyper-ballistic Range G gun at Arnold Air Force Base, Tenn., March 19, 2021. The barrel consists of several sections that have to be connected and perfectly aligned.

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Size: 1928px × 1296px
Photo credit: © Operation 2021 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: aedc