Lancaster is also the CA central probation office for the Fed Courts.
https://www.uscourts.gov/court-locator/california-central-probation-office-lancaster
HUD-VASH, army national guard and something in Transportation is also there according to these job postings....
Hmmm, looks like Army national guard has a Human Intel Collection position open at the Warrant Officer level.... which would mean they do some intel operations out of the location.