 From New York, they crossed the Atlantic and Indian Oceans, all on board the USS "Niagara", thus completing a circumnavigation.After leaving New York on June 30, the "Niagara" reached the harbor at Porto Grande, Cape Verde Islands, on July 16.Other ports on the voyage back to Japan included São Paulo-de-Loande (now Luanda), Angola; Batavia (now Jakarta), Java; and Hong Kong.