“A temporary detention order transferred (Grusch) to a psychiatric unit...”
So, not just a case of the “Blue Mondays” I guess. Likely he was suicidal if they took it that far but didn’t revoke his security clearance, I would guess.
After his PTSD treatment, he went on to a position at the National Reconnaissance Office (NRO) and retired as a GS-15, which is the equivalent rank of O-6 in the military (bird colonel).