Type 99 Self-Propelled Howitzer
From Canadian Power Wiki
The Type 99 155mm/52-caliber self-propelled howitzer (99式自走155mm榴弾砲 kyuu-kyuu-shiki-jisou-155mm-ryuudan-hou) is a self-propelled howitzer of the Japanese Ground Self-Defense Force, which was developed as successor of the Type 75 155mm Self-propelled howitzer.