Jamey Culverson, a heavy-lift specialist with Aircrane Incorporated, briefs trademen from Matherly Mechanical contractors on safe operations under or near Aircrane's Sikorsky S-58T heavy-lift helicopter before the planned move of 57 heating units to the roof of building 3001 May 27, 2018, Tinker Air Force Base, Oklahoma. The four lifting lines and hooks used by the helicopter are stretched out on the ground as part of the demonstration.

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Size: 1732px × 1155px
Photo credit: © RP Images / Alamy / Afripics
License: Licensed
Model Released: No

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