| In the Book |
In the Movie |
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The Soviet military knows that there is both naval fighting in the Atlantic and small-scale troop movements in Berlin, but the situation does not escalate to the point of no return. |
The corrupt Russian admiral lies to his crew that the United States has dropped a nuclear bomb on Moscow, and that nuclear war is imminent. |
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Ryan communicated with SPINNAKER through secret messages and cables, as palm pilots did not exist yet. |
Ryan communicates with SPINNAKER through a palm pilot.
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Jack Ryan is Deputy Director of Central Intelligence, which is the 2nd in command of the CIA. |
Jack Ryan is an intelligence analyst. |
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Jack Ryan is middle-aged. |
Jack Ryan is in his late-20s.
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The book takes place in the early 1990s before the dissolution of the Soviet Union. |
The movie takes place in 2002. |