Day 4: 6:00 A.M.-7:00 A.M. - S4-E24
Corrected entry: Marwan's hi-tech gadget which he uses to track the path of his missile (the 'interface' of which CTU later reads to locate said rocket) is quite obviously a Nokia 7710. I don't remember seeing 'Nuclear Warhead Locator' listed in the special features of this model.
Correction: Like all new Nokia mobiles, one of key features of the 7710 is that it is Java enabled. This means any Java application can be programmed and loaded onto the phone. It is very possible one of Marwan's men programmed a tracking program for that phone.
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