Italian submarine Gianfranco Gazzana Priaroggia (S 525)

Gianfranco Gazzana Priaroggia (S 525) is a Sauro-class submarine of the Italian Navy.

Construction and career
Gianfranco Gazzana Priaroggia was laid down at Fincantieri Monfalcone Shipyard on 12 November 1992 and launched on 26 June 1993. It was commissioned on 12 June 1995.

It is in service in the First Submarine Group based in the naval base of Taranto. The submarine, which was intensively used in training activities, between 1999 and 2002 was subjected to radical works involving the platform and the combat system.