During Lt. Rivers trial, they show enlisted personnel in the jury. The jury must be of equal or higher rank than the defendant, so since the defendant is a Navy Lt. enlisted personnel would not be allowed to serve on the jury.
Oorah is a USMC cry, and a United States naval officer might say Hooyah or nothing, but he would never say Oorah.
Lt. Rivers says he was a member of SEAL Team 6. SEAL Team 6 is the Navy's classified counter-terrorism unit and is stationed in Virginia, not California. It is unlikely that Lt. Rivers would be stationed in California or admit even admit his affiliation with the group.
ADM Chegwidden talking about LT Rivers says he won the Bronze Star for valor; but, his Bronze Star does not have the V for valor on it. Bronze Stars can be awarded for meritorious service and for valor. The award for meritorious service does not have any device on it, while the award for valor has a V on it.