The Type 4 150 mm howitzer (四年式十五糎榴弾砲, Yonenshiki Jyūgosenchi Ryudanhō), also known as a "15-cm" gun, was a field gun used by the Imperial Japanese Army (IJA). It
The Type 4 150 mm howitzer (四年式十五糎榴弾砲, Yonenshiki Jyūgosenchi Ryudanhō), also known as a "15-cm" gun, was a field gun used by the Imperial Japanese Army (IJA). It