Anyone under psychiatric care or prescription psychiatric meds are restricted from gun ownership. It's not just an ex-military thing. Just look at what happens to the weapons of an ordinary citizen in the backwoods of Tennessee if you are stressed, have an anxiety attack, suicidal or have PTSD.
Let me say this loud and clear:
That is wrong!
Only somebody who has been ruled as being mentally incompetent in a court of law looses the right to possess firearms.
You had better do some research, and not simply make things up.
Possession of a Firearm by the Mentally Ill