Beamed down to the Secure decommissioned facility, defeated first enemy squad then was asked to defeat enemy squads (0/3) after defeating the first 2 squads i've found there is no 3rd anywhere to be found.....
I get third sometimes. It is when I die in thud unexplored areas that I respawn with no enemies in the area. Thus not able to complete mission which = waste of my time. Even beaming out and coming back the next day does nothing. Plus the respawn ends up at the very beginning.
There are apparently quite a few missions where dying and respawning, makes the hostile NPCs despawn and not return. This has rendered quite a few missions incompletable.