Where did osama bin laden receive most of his military training?

Osama bin Laden received most of his military training in Afghanistan during the Soviet-Afghan War in the 1980s. He joined the Afghan mujahideen, where he gained experience in guerrilla warfare, explosives, and leadership. Additionally, he was influenced by various military training camps that were established to support the resistance against the Soviet forces. This experience was pivotal in shaping his future activities and the formation of al-Qaeda.