Marines from the 2nd Battalion, 3rd Regiment, discovered a hidden Viet Cong tunnel equipped with a trap door during Operation Allegheny near Dailoc, Vietnam on August 21, 1966. This photograph taken by Corporal 011les shows the entrance of the tunnel, exemplifying the extensive underground network utilized by the Viet Cong in their warfare tactics.

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Size: 3328px × 2075px
Photo credit: © piemags/NBV / Alamy / Afripics
License: Licensed
Model Released: No

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