Input (grade 13): Road to power Chun was a graduate of the eleventh class of the Korea Military Academy in 1955, and a member of Hanahoe, a powerful private group of military officers that supported his actions.
Output (grade 9): The road to power Chun was a graduate of the Korean Military Academy in 1955. He was a member of Hanahoi, a powerful group of military officials that supported his actions.