zhangx 4 original 3 mecha 2 railgun 2 vehicle 2 anti-missile 1 laser 1 radar 1 stompy 1 system 1 tank_treads 1 ammo_belt 1 gatling_gun 1 hammer_and_sickle 1 shoulder_mounted_weapon 1 soviet 1 hakase 1 highres 1 nichijou 1 sakamoto_(nichijou) 1 science_fiction 1 space_craft 1 desert 1 mechanical 1 robot 1