Construction for the Yokosuka Arsenal began in 1865 under the gui…
Steam hammers were machines that used a steam-driven hammer to sh…
The MIKASA was commissioned in England in 1902 and achieved victo…
The Hemi Gate Guardhouses were two guardhouses built around 1930,…
The three stone dry docks constructed at the former Yokosuka Arse…
Battleship MUTSU was constructed at the Yokosuka Naval Arsenal an…
The Chiyogasaki Gun Battery was a western-style gun battery establi…
This underground vault is located in Oppama, a former major base …
The Hashirimizu Lower Gun Battery Site was established by the Imper…
The Yonegahama Gun Battery was one of the gun batteries that form…