Why does mccarthy likely mention john service and gustave duran in

Something that McCarthy wanted to do is to prove that Gustave Duran was a communist.

McCarthy actually proved this by narrating when Gustave Duran served in the communist international brigade.

Also, McCarthy claims that John Service friendship with China and communism was the only hope for the United States.

Hope this helps.

d) the narrator even suggested that the white whale, moby d, was ubiquitous and present in every ocean at every moment.