The Hunt for Red October (film) essentially revealed the use of gravimetry as a method of silent navigation in US submarines. Thought to be a billion dollar black project, the development of a full-tensor gravity gradiometer by Bell Aerospace was a classified technology at the time. It was thought to be deployed on only a few s after it was first developed in 1973. Bell Aerospace later sold the technology to Bell Geospace for oil exploration purposes. The last Typhoon-class submarine was officially laid down in 1986, under the name "TK-210", but according to sources was never finished and scrapped in 1990. The musical score of
The Hunt for Red October the American “heroes”, which are U.S. military officers, who in turn are competent and dedicated in their professions, a central theme the author would explore in his later novels. In addition, "The Hunt for Red October" is considered as a coming-of-age story regarding the main character Jack Ryan. However, instead of running away from responsibilities, a theme common in contemporary American literature, Clancy subverts the convention by having Ryan rushing toward the burdens of the adult world. Moreover, it introduced Jack Ryan as a new archetype of the American hero — an everyman who uses his prior knowledge instead of