Tales of the Fourth Age
Orcs are the most prevalent of the Savage Races. They are mostly contained to The Wastes and other areas isolated from civilized lands, but occasionally pour forth in create hordes known as Incursions.
Orc society primarily consists of units called “warbands”. Each warband is comprised of a single orc chief and the orcs that follow him. The chief may or may not be some sort of subordinate system comprising of subcommanders, but most often the chief simply issues orders and lets his/her subordinates sort it out among themselves.
Warbands also often include ogres, using the larger beasts as shock troops. Ogres are usually issues several orc handlers in order to keep the beasts contained and directed in the correct direction.