A Airman attending the Engineering Installation vehicle training class, fastens a synthetic sling to the inside of a maintenance hole Dec. 13, 2017, at the Air National Guard Schoolhouse, Fort Indiantown Gap, Pennsylvania. Airmen utilized rigging techniques they learned in class to maneuver maintenance holes for underground installation. ( Air National Guard

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Size: 1291px × 1936px
Photo credit: © Image Vault / Alamy / Afripics
License: Licensed
Model Released: No

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