Tramontana (S74) is an built for the Spanish Navy

Spanish Navy

The Spanish Navy is the maritime branch of the Spanish Armed Forces, one of the oldest active naval forces in the world. The Armada is responsible for notable achievements in world history such as the discovery of Americas, the first world circumnavigation, and the discovery of a maritime path...

 by Bazán at Cartagena, Spain

Cartagena, Spain

Cartagena is a Spanish city and a major naval station located in the Region of Murcia, by the Mediterranean coast, south-eastern Spain. As of January 2011, it has a population of 218,210 inhabitants being the Region’s second largest municipality and the country’s 6th non-Province capital...

. The submarine was launched in 1984, commissioned in 1985, and is currently active with the Spanish Navy.

On March 22, 2011, it was deployed as part of Spanish contribution to the multi-national task force enforcing UN resolution 1973 "to take all necessary measures to protect civilians under threat of attack" in Libya.