Air Force Staff Sgt. Stephen Bartlett, a structural journeyman with with 1st Expeditionary Civil Engineer Group, checks a masonry unit's levelness during a construction project on Al Udeid Air Base, Qatar, June 17, 2022. Small measurements and details impact the integrity of the overall structure being built.

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Size: 8256px × 5504px
Photo credit: © Operation 2022 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: civilengineering, eceg, usafcent, uscentcom