Captain Nicholson was a naval engineer, who was deeply involved in ship design, hydrofoil development, and submarine projects. He discusses his status as a member of the 23 Club of the USNA Class of 1941, postgraduate school, duty with the Bureau of Ships, and analysis of war damage as a factor in ship design. He comments on duty at Mare Island and MIT, assignments to the USS
OREGON CITY, the USS
PHILIPPINE CITY, and the Boston Shipyard. He relates mine sweeping experiences, the development of free-flooding, swimmer-propelled submarines, hydrofoil development, experiences as a professor of Naval Construction at MIT, and deep submergence systems.