History: The Italian submarine Nichelio meets the Salerno invasion fleet after the surrender of Italy, on 9 September 1943. Note the small black pennant flying at the periscope, the recognition mark to show compliance with the armistice orders. [2164 x 1240]

https://i.redd.it/be7ofy15t9221.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/a313dq/the_italian_submarine_nichelio_meets_the_salerno/?utm_source=ifttt