I'm having a problem getting the walrus v2 blueprints.
I'm assuming that it can be found prior to taking Fulcrum as I have the Artic and the Temperate blueprints no problem.
However I'm struggling with the mountain one.
I've checked the three mountain islands available prior to fulcrum mission.
Endymion.
Found that one but there is no action icon. No red panel to press either. Nothing.
Granite.
This one had a red panel, activated it but nothing happened. now not red or activatable.
Endymon:
Again, red panel pressed and activated but nothing happened.
Now all of them are not activatable and I can't find any more research buildings on these islands... What am I missing?