 Bolos are also used in smaller scale raids, skirmishes and internal conflicts between warring human parties.The Mark XXXIII Bolo is the last standard Bolo built by the "Concordiat" prior to the "Melconian" destruction of Earth.Following the genocide of the "Final War" with the "Melconians", surviving Bolos are described as crucial in sheltering and protecting the few scattered remnants of humanity during the long slow process of rebuilding.