Technically wouldn't the Indonesian Pulau Rau class be the final series of R-boats. They were built 1954-57 and only retired in 1974.
R-218 was the first of the final series of R-boats (R218 to R300 weighed 140 tons and were 39.2 meters long).
Built at Burmester, Burglesum, launched 24.07.1943. Torpedoed off Cap d'Antifer in English Channel 19.08.1944
(https://i.imgur.com/YM43kcJ.jpg)
You have to wonder who was afraid of it that much.
You have to wonder who was afraid of it that much.
Austal?
You have to wonder who was afraid of it that much.
You have to wonder who was afraid of it that much.
Austal?
;D ;D ;D ;D ;D