History: German U-427 submarine emergency surfacing, view from periscope, between 1943-45 [500x738]

https://i.redd.it/vf6x6sdzchzy.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/6d3htv/german_u427_submarine_emergency_surfacing_view/?utm_source=ifttt