Secret hearings, secret evidence, secret everything, no jury, just three judges who know they aren't going anywhere in their own careers if they don't find as the higher ranks decree. Why are we even bothering with this charade? Might as well just throw him into solitary confinement for the rest of his life right now and save the world the drama. No-one is buying this trial as anything but a rather ineffective attempt to claim fairness. The outcome is as good as fixed already.
They are barely even pretending this is a trial: Ruling in advance that he can only have one witness and that his most effective defenses are off-limits? It's a kangaroo court.
I suspect the officers in charge are torn between wanting to get this over with and wanting to put on a big show of how effectively any future 'traitors' will be destroyed for putting their own conscience over the reputation of the country.