Garrison - Good at one job only - defending and stalling.
May be used: to form some defensive line very fast as they can be deployed after 8 days in training. Extra defense in forest, mountain, urban, jungle and marsh terrain. Very low training time, low stats and organization battalion. Raised quickly from any bodies available and sent to the front with minimal training, militia are used when one cannot afford the time and expense of producing regular infantry, or simply wants to have as many boots on the ground as possible as quickly as possible. Militia - Poor mans infantry and emergency gapstop. Its Light counter part is stripped from all heavy equipment thus weaker but faster, lower supply unit that is cheaper and faster to build. Infantry consist of regular foot soldiers, supported by organic mortar teams, machine gun crews, anti-tank teams etc that expand its offensive and defensive capabilities. Light Infantry - Lighter version of the above unit