I was digging some more on the building in Sierra Vista with the SCIF. That building used to belong to the Engility Corporation. I found an interesting old post at qresear.ch about that Corporation and the Ukraine.
1838 Paseo San Luis
Sierra Vista, AZ 85635
https://www.loopnet.com/Listing/1838-Paseo-San-Luis-Sierra-Vista-AZ/3805523/
https://en.wikipedia.org/wiki/Engility
https://www.mapquest.com/us/arizona/engility-402576719
https://qresear.ch/?q=engility