The stars on Admiral Morrison's uniform collar are gold, when they should be silver.
Admiral Morrison is wearing a service dress blue combination cover with his khaki uniform, which is white. He should be wearing a khaki combination cover, ball cap, or garrison cap instead.
The officer crest on Admiral Morrison's hat is incorrect. It should be an eagle sitting atop a shield on top of two crossed anchors.
U.S. Marines call for corpsmen when injured, not medics. Medics are for the U.S. Army.
U.S. Navy petty officers are wearing khaki pants. Only chiefs and officers wear them.
Admiral Morrison has two Southwest Asia Service Medals on his ribbon rack. Only one is worn.
USS Constitution has lots of marines aboard. The US got rid of marines aboard carriers in 1998, 22 years before the events of the game.
The U.S. Navy sailors are wearing the utility uniform, which would have been discontinued long before 2020.
The U.S. Navy sailors are wearing M81 camouflage pants, which would have been discontinued long before 2020.