Relations between the USSR and the United States degenerate to the point where the two nations are on the brink of war. (novelization, "Awakening")
The President of the United States has a new bunker built for him to use in the event of a nuclear attack, located directly underneath the sculptures of the Presidents at Mount Rushmore. ("Testimony of a Traitor")
Many people, including Buck himself, are concerned about the possibility of a sneak attack from hostile forces. ("Testimony of a Traitor")
Hieronymus Fox graduates from college at the age of 9. ("Cosmic Wiz Kid")