On his return to Japan , Hata was given command of the IJA 16th Field Artillery Regiment in July 1921 .
On his return to Japan , Hata was was promoted to major general and commander of the IJA 4th Heavy Field Artillery Brigade in March 1926 .
On his return to Japan , Hata was given command of the IJA 16th Field Artillery Regiment in July 1921 , and was promoted to major general and commander of the IJA 4th Heavy Field Artillery Brigade in March 1926 .