Pentagon

Blurb

Pentagon is a 1986 political novel by Allen Drury which follows the American military bureaucracy as it reacts to a crisis with the Soviet Union. It is a standalone work set in a different fictional timeline from Drury's 1959 novel Advise and Consent, which earned him a Pulitzer Prize for Fiction.
The novel was published in the United Kingdom as The Destiny Makers in 1988.