SS President Coolidge motors ranged from a tenth horsepower to the 13,250 horsepower main motors. The ship had refrigerated cargo space. "President Coolidge" was initially designed for 350 first class, 150 "special" or intermediate class passengers with space for 1,260 passengers of all classes and a crew of 300. The ship was launched on 21 February 1931 after Mrs. Calvin C. Coolidge broke a bottle of water that came from a brook on the Coolidge farm in Vermont on the bow. "President Hoover" and "President Coolidge" ran between San Francisco and Manila via Kobe and Shanghai, and some round the World voyages that
Grace Coolidge occupied what is now known as the Calvin Coolidge House until 1930. Calvin Coolidge's political career took off in 1907 when he was elected to the Massachusetts General Court. After his term in the state legislature ended, he served three consecutive one-year terms as Lieutenant Governor of Massachusetts (1916–1918), and one term as Governor of Massachusetts (1919–1921). In 1920, he was elected Vice President and took office in March 1921. Grace did not maintain much of a public profile. The Coolidges had two sons, John (1906–2000) and Calvin (1908–1924) In 1921, as wife of the Vice President of the United