This image was acquired from
flickr. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
nmcb naval mobile construction battalion navalmobileconstructionbattalion trident juncture tridentjuncture sierra del retin sierradelretin spain outdoor NSD SIERRA DEL RETIN Spain Oct. Builder rd Class Daniel Witham from Summit Indiana assigned to Naval Mobile Construction Battalion NMCB cuts plywood to make door entry for training