Dee ihe ga-aga n'ihu na paragraf a - Ro-33 bụ ụgbọ mmiri Imperial Japanese Navy "Ro-33". Emechara ya ma nye ya ọrụ n'ọnwa Ọktoba 1935, ọ rụrụ ọrụ n'oge Agha Worldwa nke Abụọ na South China Sea, Indian Ocean, na ndịda ọdịda anyanwụ Pacific Ocean ma rụọ ọrụ iji kwado ndị agha Japan na mwakpo nke British Malaya.
, mwakpo nke Java, Agha nke Oké Osimiri Coral, agha Guadalcanal, na agha New Guinea. Ọ mikpuru n'August 1942 n'oge nche agha nke ise ya.