20:5820:58, 19 July 2013diffhist+174
Ryoyo Maru (1930)
Added 'See also' section. Added Category:Ships built in Japan, Category:Kawasaki Heavy Industries & Category:Ships of the Imperial Japanese Army
20:2720:27, 19 July 2013diffhist+232
Kaiyō No.1-class oceanographic research ship
Added 'See also' section. Added Category:Auxiliary ships of the Imperial Japanese Navy, Category:Ships lost with all hands, Category:Maritime incidents in 1952, Category:Shipwrecks in the Pacific Ocean