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:
seabees pacific th ncr thncr nmcb nmcb nmcb four nmcbfour naval mobile construction battalion four navalmobileconstructionbattalionfour naval mobile construction battalion navalmobileconstructionbattalion naval construction force navalconstructionforce deployment naval construction regiment navalconstructionregiment combat engineering