Sub Objectives

Overview

Sub Objectives or Sub Cores are defense points on maps that, if destroyed, open up a new spawn point for Enemies in the next wave.

Sub Objectives can be identified by the spinning Grey shield above them.
Sub Objectives are marked on the mini-map with a Grey Shield Icon.
Sub Objectives have a Health Pool. This gets fully healed at the start of each build phase. If the Health Pool is reduced to 0, the Sub Objective is destroyed.
The Wave after a Sub Objective is destroyed will spawn Enemies from an additional spawn point.
Having a Sub Objective get destroyed does not end the map.
Billboards for these additional spawn points do not appear until the connected Sub Objective is destroyed.
Sub Objectives and the extra spawn points they open are fixed for each map and wont change.
Sub Objectives have the highest target priority for the Aggression of nearby Enemies