Spectacular SAT image of Algiers. It looks like they have placed an anti-intrusion barrier. If so, it would be the first time that a naval asset of the RFN in port has feared being attacked. This is the first time a RFN submarine has been in a foreign port since the loss of the Naval Base in TARTUS, Syria. At the moment it is not confirmed that it is an anti-intrusion barrier, in fact it could also be an anti-pollution barrier . If so, we can say that the submarine has refuel