Video From:tankfan Thanks! Japan TRDI (Japan Defence Agency's Technology Research and Development Institute) Kinetic Energy Interceptor Missile program.The Kinetic Energy Interceptor (KEI) Missile is a Ballistic Missile Defense program. japan north korea china jmsdf jsdf pla military aegis sm3 bmd icbm ballistic missile trdi 北 北朝鮮 テポドン ノドン 弾道 ミサイル 迎撃