SS President Coolidge Newport News, Virginia built the two ships, completing "President Hoover" in 1930. The keel for "President Coolidge" was laid 22 April 1930 and the ship was delivered 1 October 1931. They were the largest merchant ships built in the United States up to that time. Each ship had turbo-electric transmission, with a pair of steam turbo generators generating current that powered propulsion motors on the propeller shafts. Westinghouse built the turbo generators and propulsion motors for "President Coolidge" but General Electric built the turbo generators and propulsion motors for "President Hoover". In the "President Coolidge" twelve Babcock & Wilcox superheater
Presidency of Calvin Coolidge ambassador to Great Britain. Coolidge made two other appointments following his re-election, with William M. Jardine taking the position of Secretary of Agriculture and John G. Sargent becoming Attorney General. Coolidge appointed Sargent only after the Senate rejected his first choice, Charles B. Warren. Warren was the first cabinet nominee to be rejected by the Senate since 1868. Coolidge did not have a vice president during his first term, but Charles Dawes became vice president during Coolidge's second term, and Dawes and Coolidge clashed over farm policy and other issues. Coolidge appointed one justice to the Supreme Court of the