History: US Marines with service dogs that were used for reconnaissance and detection of mines, on the island of Bougainville. New Guinea.1943. [2560x3186]

https://i.redd.it/iwg9yh2gij711.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/8vit4i/us_marines_with_service_dogs_that_were_used_for/?utm_source=ifttt