here is the USS Bowfin Subamrine. She was Laid down 23 July 1942
Launched 7 December 1942, she was commissioned May 1st 1943 then was decommissioned in 1947 February 12th then came back in service in the 1950s and 60s then went outta service in 1971 December 1st, and was then turned into a museum at pear harbor in Hawaii. Here's a picture of it with a flag at the front of the ship and one in the back section, if you look closely.
https://upload.wikimedia.org/wikiped..._view_side.jpg