If you played Destiny 2 in the years before Mars was vaulted, you might remember the Escalation Protocol Event. Well, now you need to get the Escalation Nodes back online. There are three different Nodes, and each is blocked by “Hive Gunk,” and each is defended by many Hive and some Taken. You need to blast the Gunk off the Nodes and then defend them while they come back online.