Hidden Cache locations

[Hal2003]

Originally Posted by Nanaki

The sphere has a bunch of fancy graphical effects around it, right? Thats a wormhole if I am not mistaken... However they are unusable until you reach a certain point in the campaign (and some campaigns you never get access at all)

You are wrong, in all campaigns you can get accest to this portal - automaticaly or due certain mission or decision during mission.