Algeria have only 4 Kilo Subs and 2 in orders (2018) I think that are intended to replace the now aging 877 project even with a recent revamp in Russia, that's gives Algeria a sub for each 3 maritime zone (400km wide) and the fourth in case of maintenance.
Follow me
This syrian war has been a showcase for russian arms, the setbacks of T-72 and APC being destroyed by RPG and AT missile have been compensated by aircraft prouesses..........................