Sentencing
You decide that handing all involved over to the ISB for further questioning and later on, when the facilities are available, re-education, is the best course of action. It doesn't waste manpower, although you can probably forget about any real experience retention, re-educated individuals tend to come back, changed.
You also arrive to the conclusion that while easier and more politically palatable, assigning a new Fleet Admiral at this juncture is a waste of effort and time, as you will likely need to restructure the fleets anyways after you gain control over all forces present, and the extra direct subordinates are a better deal right now.
As you have finally put your thoughts in order, you only have a few more minutes to wait before you arrive at the Savager. As you leave the shuttle you are greeted by a young man in the uniform of the ISB Investigations branch, he salutes and addresses you.
"Fleet Admiral Styndath, welcome aboard, I'm Agent Senk, the traitors are this way, if you would follow me."
You return his salute and tell him to lead the way, joining up next to him, followed closely by your death trooper security detail. When you are alone with the agent and your security detail in the corridors he turns to you.
"Although I would prefer being able to receive orders from the commission of operations, current circumstances has made that somewhat difficult. The ISB and by extension me, have been watching what is happening in the fleet, and we believe it would be for the best if all imperial forces were to be under a unified command. You are the strongest candidate, so I offer you my support in making it happen, as long as you are loyal to the empire, the ISB will assist you in your endeavours."
With his offer of help delivered, he picks up the pace somewhat, and you are soon at your destination, the brig. The ISB Agent opens one of the cells, and inside is a slightly bruised, but otherwise healthy Ecker, glaring at you from his bunk.
"So you've come to gloat, when word of this goes back to-"
"That's enough traitor" the Senk interrupts the former admiral "Fleet Admiral Styndath is here to decide your future, the ISB has presented him with a full report of your attempted desertion as well as theft of imperial navy property."
At this, Ecker retreats to his bunk, seeming to realize that no political connections will save him now. And so, you finally speak.
"Daval Ecker, you are guilty of dereliction of duty, desertion, treason, and worst of all incompetence, you are hereby stripped of all rank, dismissed from the Imperial Navy, and consigned to imprisonment in the custody of the Imperial Security Bureau, awaiting re-education."
Your sentencing over, you follow up with a more personal note.
"You grasped further than you could reach, and you should be happy you didn't blunder like this while actually working alongside death squadron. If any other commander were to sentence you, you would be dead, but I have been forced to squeeze every last bit of effort out of overworked crew with too little resources available before, and so you will be made loyal again, and I will find a use for you."
You turn to the ISB agent and tell him that Ecker is all his, after that, you begin the walk through the cell block cell by cell to sentence the officers that tried to help him, though they are not stripped of all rank, they'll never command anything again, and will at best be second in command of a bulk freighter.
The issue of the traitors themselves dealt with, you are led to the bridge, where you address the officers with a message that will be further broadcast to both your fleet and the support fleet.
"In light of recent disturbances, the support fleet previously commanded by Daval Ecker will be placed under my command, as an integrated part of my superiority fleet. Systems Admirals Jerrel Kore, Adan Coth and Lucio Dalsar-Tagge will remain in command of their forces, but are now directly under my command. Furthermore, due to the swift and loyal response of the crew of the Savager, no further actions will be taken against any crew or officer of the fleet not already arrested or under suspicion."
With that said, you return towards your shuttle when you come to a realization. You could turn the Lictor-class dungeon ship over to the ISB, giving the immediate access to the facilities needed to begin processing the traitors. You'd lose access to the prison ship, but the ISB would be grateful, and no time would be wasted.
[] Do so at once. (+1 Relations COMPNOR, Lictor-class Dungeon Ship detached from your fleet)
[] No, not at this time, they will have to wait for a proper facility to be built. (No change)
Legitimacy (Kan Styndath) -2 (Total 3)
Daval Ecker sentenced to Re-Education
Traitor officers sentenced to Re-Education
Supply Fleet disbanded and integrated into Superiority Fleet
Subordinate Available Admiral Jerrel Kore
Subordinate Available Admiral Adan Coth
Subordinate Available Admiral Lucio Dalsar-Tagge
A/N: So I'll just add in all the admirals, since the reason you'd gain two not three, and you didn't have access to four from the start is because I wrote the first stuff up in segments whenever I had the energy to work on it.