Have you ever heard of a British submarine? HMS Thorn (N 11) HMS Thorn (N 11) Submarine of the T class https://uboat.net/allies/ships/rn_subs.htm https://uboat.net/allies/warships/ship/3500.html https://en.wikipedia.org/wiki/HMS_Thorn_(N11) https://nl.pinterest.com/pin/844636105084731575/?d=t&mt=login