 However, unlike Egypt, Libya has no entrenched officer class or judiciary to prolong or obstruct the country's transition to democracy.Since the revolution, no single group has been dominant, although several brigades, or katiba, have been able to exercise considerable strength.These katiba are “armed fighting groups ranging from 20 to 200 young men, formed along neighborhood, town or regional lines.” These brigades were central to the military strength of the revolutionary forces.