I thought Fort Huachuca was built to protect Americans. At least that is probably what the Apache's, and other tribes, felt.
It is a shame that the Senior Commander can't get off his butt to encourage his people, instead of hindering them.
This ain't America any more wizr. It's the Land O Lawyers. And post #1 nailed the reasons for the Army decision.
Moral: Blame the over-population of lawyers.
Orders from headquarters? (White House)
Washington wants to keep that steady stream of illegal aliens coming...and doesn't give a crap what America wants.