Probably, I was not looking at the RATs . . . forgot I had the ER/FM3145 books on my kindle, lol.
IIRC Filtvelt trades with Randis (Hound for Hawkwolves), it gives the Filtvelt forces some interesting choices for facing the Dracs as they come to the rescue- Hawkwolves, Hounds, Dervishes, Toros and then decent med vehicles.