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
Order of the October Revolution Order of the October Revolution The Order of the October Revolution (, "Orden Oktyabr'skoy Revolyutsii") was instituted on October 31, 1967, in time for the 50th anniversary of the October Revolution. It was conferred upon individuals or groups for services furthering communism or the state, or in enhancing the defenses of the Soviet Union, military and civil. It is the second-highest Soviet order, after the Order of Lenin. The insignia of the Order consisted of a badge, which was a red star with golden rays between the arms; at the centre was a pentagon bearing the image of the cruiser