The Calm is a wanzer model that has long been a part of the Front Mission series. It appeared in Front Mission First, Front Mission 2, Front Mission 4, Front Mission Online and Front Mission Evolved. It is produced by the Diable Avionics of U.S.N. America. Although its appearance is far from intimidating, this war machine is strong in melee combat as well as long-range firefights when equipped with the appropriate weapons.