The General Staff of the Kosovo Liberation Army was the headquarters and leadership structure of the Kosovo Liberation Army. Organization In the first phase, small guerilla groups were created, according to highly conspiratorial schemes of illegal war. In the second phase, the groups were expanded, the number of fighters increased, and the commanders were recognized. In the third phase, guilds were created organized by professional officers who came to Kosovo from Croatia, Bosnia, as well as those who had deserted from the Yugoslav army and some volunteers from Albania. The KLA took a completely regular form, with organic alignment, with uniforms, with weapons, with barracks and training centers, etc., inside Kosovo and abroad. In the last fourth phase, the organizational structure was built with brigades, as more powerful combat units. In May 1999, the structure of the KLA consisted of: General Staff: Operational Area No.1 of Drenica with 4 brigades; Operational Area No.2 of Pashtrik with 6 brigades; Operational Area No.3 of Dukagjin with 8 brigades; Operational Area No.4 of Shala with 4 brigades; Operational Area No.5 of Llapi with 4 brigades; Operational Area No.6 of Nerodimje with 3 brigades; Operational Area No.7 of Karadak with 3 brigades. The KLA faced the Serbian insurrection of spring 1999 and in alliance with NATO, it from the ground and the Alliance from the air, forced the Serbian army to leave Kosovo. On June 10, 1999, the KLA marched into Pristina and other cities of Kosovo, bringing its people the freedom they had dreamed of for centuries. See also Kosovo Liberation Army Kosovo War References Kosovo Liberation Army