Japanese Type 10 Light Grenade Projector (aka Knee Mortar)
This video explores the Japanese Type 10 Light Grenade Projector, also known as the "Knee Mortar," a man-portable infantry weapon adopted in 1921. The description details its lightweight design, portability, and production history at the Tokyo Army Arsenal and later Nagoya following the Great Tokyo Earthquake. It notes the Type 10's transition to illumination and signaling roles after the adoption of the larger Type 89 grenade launcher in 1929, serving throughout World War II. The video also promotes the creator's Patreon and merchandise.














