Sasebo Naval Arsenal was one of four principal naval shipyards owned and operated by the Imperial Japanese Navy.
Sasebo Naval Arsenal in commemorative postcard, 1930s
Aircraft carrier Ibuki under dismantling operation at Sasebo. October 1946
Sasebo Naval District was the third of five main administrative districts of the pre-war Imperial Japanese Navy. Its territory included the western and southern coastline of Kyūshū, the Ryukyu Islands, Taiwan and Korea, as well as patrols in the East China Sea and the Pacific
Sasebo Naval District Headquarters circa 1930
Weaponry Warehouses of Former Sasebo Naval District