Jack initiates a fierce gun battle with the terrorists as he races to rescue Audrey and Secretary Heller before the military strikes. Dina is shocked to learn that Navi and Marwan plan to have Behrooz killed. Secretary Heller learns his son is a suspect and allows the interrogation to continue. Curtis Manning learns that the briefcase stolen from the train bombing contains a Dobson Override that could potentially give terrorists control of America's 104 nuclear plants. Written by
Did You Know?
The Marines shown during Heller's rescue are not actors, but actual Marines serving with Marine Special Operations Training Group; They had just completed a 12 month deployment to Iraq a few weeks prior to the shooting of the episode. They filmed their scenes separately from Kiefer Sutherland
and William Devane
. See more
When Behrooz and Tariq are in the desert burying the body, Tariq brings a gun with a silencer. When he shoots the gun as it is being knocked out of his hand we also hear the silenced gun shot sound. The gun on the ground shown next has no silencer. The silencer couldn't have fallen off because it is threaded onto the barrel. See more
The Day 4 12:00 PM - 1 PM was dedicated to Marine Lt. Col. David Greene in the credits, who was one of the AH-1 Cobra pilots in the US Marine attack scene in the episode, and later died after being shot down in Iraq on July 28, 2004. See more