Modern buildings, an aqueduct, foundry, brick factories, and technical schools to train Japanese technicians were established.

Another representative of Electric Boat, Frank Cable, an electrician working for Isaac L. Rice's company, trained two Japanese crews in the operation of such craft.

Arthur Busch was also the man responsible for building the United States Navy's first submarine some five or so years before this time for the Holland Torpedo Boat Company.

Yokosuka became one of the main shipyards of the Imperial Japanese Navy in the 20th century, building numerous battleships such as Yamashiro, and aircraft carriers such as Hiryū and Shōkaku.

The facilities were seized by Allied forces at the end of World War II, and on 15 October 1945 the Yokosuka Naval Arsenal was officially abolished.