Chain of Command is a 2000 action/adventure film starring Roy Scheider and Patrick Muldoon.
New Secret Service agent Mike Connelly, assigned to protect President-elect Jack Cahill, becomes uneasy having to protect a President who is having an affair with a friend's wife. Connelly feels even worse about it after preventing an assassination attempt aboard the President-elect's plane by shooting to death a mole agent who was about to shoot the President-elect. Cahill is unharmed, but a flight attendant is accidentally killed in the process. Connelly's boss tries to assure him that his job is to protect the Presidency itself without regard to the President's personal issues. Sensing Connelly's discomfort in the President's personality, Connelly is reassigned to a new post where he wouldn't have to worry about protecting the President at all; guarding the President's nuclear football.
In this movie, the nuclear football is a high-tech laptop computer inside a briefcase, which can only be accessed using a two key system (one with the President and the other with the agent on football duty) along with thumbprint and eye retina scans from the President. Just like the real football, the
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