History: A U-boat pen in Brest after receiving a direct hit during an allied bombing raid, 18 September 1944 [672×800]

https://upload.wikimedia.org/wikipedia/commons/5/55/Hole_in_the_roof_of_a_U-boat_pen_in_Brest.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/6ddvzj/a_uboat_pen_in_brest_after_receiving_a_direct_hit/?utm_source=ifttt