From the rule booklet.Main Battle Area is a realistic simulation of modern tactical combat that puts you in the role of a US battalion task force or Soviet regimental commander. Main Battle Area simulates combat in a playable, realistic manner. Units in Main Battle Area represent platoons and sections. Losses are expressed in individual vehicles and fire teams or squads. The scale of the map is 250 meters to a square. Game turns represent ten minutes of actual time. - BoardGameGeek