 Offices and barracks are located on ground level.The lower "0-level" features the drill yard for all companies, a crew dining hall, an armoury, an indoor shooting range, a sport hall, a clothes depot, a sew parlour, a gas station, parking places for military vehicles, and a number of other areas serving the needs for the battalion.Parts of the "0-level" has a photography restriction and the layout of some areas of the structure is classified, yet some parts of the "0-level" can be seen from ground level.