One member of the court (the "jury") is a Marine captain, two pay grades below the defendant (a Navy commander), whereas the rules require that every member of the court must hold at least the same rank (or rate, if an enlisted person) as the defendant.
On the TV that is discussing the pending executions its reads "Kossovo" instead of "KOSOVO".
Chegwidden is required to use his excess leave. The government works on a July-June fiscal year. You can only carry 60 days of leave from one year to the next. This means that it must be June. The uniform would be whites, not blues.
Lt Cmdr Mic Brumby is prosecuting during the courtroom scenes and is wearing his dress uniform showing his rank, medals and other regalia. Brumby is an officer of the Royal Australian Navy but his shoulder flashes that display his country are absent from his dress uniform.
Commander Risnicki should not have needed to ask if Bud was a full attorney that had passed the bar. In order to be an attorney a person must have at least a Masters degree in law, in the military an officer that is already commissioned and earns a Masters degree is automatically promoted to the paygrade of O-3, which in the Navy is a Lieutenant. As Bud is still a Lieutenant J.G. (O-2) it would indicate he has not yet finished law school.