Factual error: When Mike is being questioned, he calls himself a soldier. Marines always refer to themselves as Marines - soldiers are the army. (01:01:20)
Factual error: Himmler incorrectly refers to the Nazi Party as the National Socialist Democratic Workers Party. The proper name is the National Socialist German Workers Party. (01:08:10)
Factual error: McVay gives the order to cease zigzagging, full speed ahead, but the Japanese sub commander gives the target speed of 12 knots for the torpedo solution. The Indianapolis was capable of a speed in excess of 30 knots.
Character mistake: Despite portraying a highly trained Special Ops marksman, Seagal repeatedly holds his rifle incorrectly, resting the butt on top of his shoulder instead of braced against it, making proper aiming and recoil control impossible. He also switches his weapon between hands when turning corners, a tactic no real special operator would ever use in close-quarters combat.
Factual error: Kim is seen using a first generation iPhone in the 2006 scenes. The iPhone was not released until summer 2007.