Delfin

Mystery of the Cuban Navy's midget sub
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Mystery of the Cuban Navy's Defin Class midget sub
Cuba maintains a shroud of secrecy around its sole active submarine, the 20m (65ft) Delfin. Recent satellite imagery shows that she is still active and operates from both her home base at Cabanas and occasionally from the capitol Havana.

Very little is known about the boat but we can deduce some basic facts. She is a ~20m (65ft) dry sub with a crew of at least five men. She has a single diesel engine which does not appear to have a snort mast, instead a crude inverted u-bend type exhaust is visible at the back of the sail. We do not know if she is armed but she is large enough to assume twin 533mm torpedoes could be carried externally.

Rumors that she is of North Korean design appear in error although there is evidence from North Korean defectors that Cuban officials inspected North Korean submarines in 1990s. So it is possible that the Cuban program was influenced by North Korean designs such as the Yugo Class. Another influence might be the Russian SPLC X-Craft.

Satellite Imagery
Havana, August 2015:
Mystery of the Cuban Navy's Defin Class midget sub

Cabanas, February 2014:
Mystery of the Cuban Navy's Defin Class midget sub

Cabanas, February 2013:
Mystery of the Cuban Navy's Defin Class midget sub

Cabanas, January 2013:
Mystery of the Cuban Navy's Defin Class midget sub

Cabanas, December 2012:
Mystery of the Cuban Navy's Defin Class midget sub

Cabanas, October 2012:
Mystery of the Cuban Navy's Defin Class midget sub

Cabanas, August 2012:
Mystery of the Cuban Navy's Defin Class midget sub

Havana, November 2011:
Mystery of the Cuban Navy's Defin Class midget sub

Cabanas, November 2010:
Mystery of the Cuban Navy's Defin Class midget sub

Cabanas, May 2010:
Mystery of the Cuban Navy's Defin Class midget sub

Cabanas, April 2008:
Mystery of the Cuban Navy's Defin Class midget sub


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