The accused has the right to request trial by court martial. This is definitely upping the stakes by the accused. Maybe they feel innocent of the charges.
They are correct to go with trial by courts-martial. The last thing they want is a political jack-ass calling the shot.
Or they think it's total BullS*&^ to be subjected to the UCMJ because they punched the terrorist punk and dared the unnamed admiral to take this BS to court martial.