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[Creeperopolis]

Mališan (pennant number: P-901) was a CB-class midget submarine that served in the Yugoslav Navy (Serbo-Croatian: Jugoslavenska ratna mornarica; JRM) from 1953 to 1957. Laid down in 1943 by the Caproni company in Milan as CB-20, she was ordered by the Italian Regia Marina (Royal Navy) during World War II for harbour defence and anti-submarine warfare tasks, but she was incomplete at the time of the Italian surrender in September 1943.

The unfinished boat was captured by the Germans and completed by March 1944. Her main armament consisted of two 450-millimetre (17.7 in) external torpedo tubes located on the sides of the hull, and she had a crew of four. Handed over to the navy of the Italian Social Republic – a wartime German puppet state – she was captured by Yugoslav ground forces in the port of Pola at the end of the war. Repaired, she was commissioned by the JRM and used to train submariners as well as patrol boat crews in anti-submarine warfare. Following her brief Yugoslav service she was donated to the Technical Museum in Zagreb in 1959 as a museum ship.

The submarine had been on display for almost 50 years before undergoing an extensive internal and external restoration beginning in 2008 with collaboration among the museum, the Maritime Institute, the University of Zagreb and private contractors. The restored submarine was put on public display in April 2010. The decision to revert to its original Italian paint scheme and designation as part of the restoration has been criticised.