Assault pioneer

Type of engineering infantry

An assault pioneer is an infantryman who is responsible for:The construction of tools for infantry soldiers to cross natural and man-made obstacles as well as breaching of enemy fortifications Supervising the construction of field defensive works such as bunkers, support weapon firing positions, etc. The use of demolitions, land mines and booby traps, as well as their clearance Performing of all other normal infantry duties as the situation requires

This keyword could refer to multiple things. Here are some suggestions: