The commissioning of George Washington on 30 December 1959 and her first deterrent patrol November 1960 - January 1961 were the culmination of four years of intense effort .
30 December 1959 is the first submarine Polaris launch on 20 July 1960 .
The commissioning of George Washington on 30 December 1959 , the first submarine Polaris launch on 20 July 1960 , and her first deterrent patrol November 1960 - January 1961 were the culmination of four years of intense effort .