The first problem is they're not labelled correctly.
The one in the middle is called 8472 Scientist, the two guys flanking this character are named Local Defenders.
But as you can see, they're all named UGC Contact.
The next problem is all they do is stand there.
I wanted them to attack enemies if they came close, but when I added a Borg mob, they did nothing.
And finally, I want the 8472 Scientist to respond with an greeting screen and tell you some information with the info button as most NPCs do.