According to a tweet published by the Spanish Ministry of Defense on July 27, 2021, Isaac Peral S-80 class submarine takes the next step with the installation of the attack periscope and successfully completed verification of water tightness. In the last quarter of the year, the Spanish Navy expects to start up the diesel engines of the submarine.
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| Isaac Peral S-80 class submarine (Picture source: David Merta) |
