Title: Hisan, Būgenbirutō
Subjects: World War, 1939-1945, Japanese Personal narratives, Biography, Campaigns, History, Regimental histories, Registers of dead, Japan. Kaigun, Japan, Japan. Kaigun. Bōkūtai, Dai 16
Places: Papua New Guinea, Bougainville Island, Bougainville Island (Papua New Guinea), Japan
People: Daisuke Umeoka (1912-)