Type 89 grenade discharger

The Type 89 Grenade Discharger (八九式重擲弾筒 Hachikyū-shiki jū-tekidantō), inaccurately and colloquially known as a knee mortar by Allied forces, is a Japanese grenade launcher or light mortar that was widely used in the Pacific Ocean theatre of World War II.

Type 89 grenade discharger

The Type 89 Grenade Discharger (八九式重擲弾筒 Hachikyū-shiki jū-tekidantō), inaccurately and colloquially known as a knee mortar by Allied forces, is a Japanese grenade launcher or light mortar that was widely used in the Pacific Ocean theatre of World War II.