During the planning for the invasion of South Korea in the years before the war, the North Korean leadership began to create large numbers of commando and special forces units to send south. These units subverted South Korean authority before and during the war with terror campaigns, sabotage and inducing rebellions in ROK military units.
During the preparations for the invasion of South Korea in the years leading up to the war, the North Korean leadership initiated the creation of numerous commando and special forces units with the intention of sending them south. These units undermined South Korean authority prior to and during the conflict by employing terror tactics, sabotage, and inciting rebellions within ROK military units.