The list of infantry mortars catalogues weapons which are issued to infantry units to provide , , indirect fire capability of an infantry unit in tactical combat. In this sense the mortar has been called "infantryman's artillery", and represents a flexible logistic solution to satisfying unexpected need for delivery of firepower, particularly for the light infantry. In general infantry mortars are defined by what a team of infantrymen, sometimes known as mortarmen, can transport unaided by significant vehicle support. Because of this intrinsic restriction mandated by weight, mortars are only considered "infantry" to a calibre of 120mm. These larger weapons usually require wheeled assemblies to allow their towing either by hand or by light tactical vehicles.