I just killed a Serco strike force and got 75xp of light weapons and some Serco standing. This was while in Serco space. It was the Strike Force that flies the same ship as the Seeker, but is in fact not a seeker but a strike force.

o.O
-:sigma.SB

You mean the observer... me goes killing observers as well as itani npc's

p.s. its easy to pick out, it says robot instead of vulture.