He received his general qualifications and the rank of major-general (kor. 소장) in 1992. He was promoted to the rank of two-star lieutenant-general (kor. 중장) on April 13, 1997. In July 2003 he was promoted to the rank of colonel general (kor coronation). Former commander of the
7th Corps of the Korean People's Army, in August 2011 he was appointed commander of the 4th Corps of the Korean People's Army, which is stationed in
South Hwanghae Province. He replaced General
Kim Kyok-sik in this position. During the 3rd Korean Workers' Party of Korea Conference on September 28, 2010, he was elected a member of the
Central Committee of the
Workers' Party of Korea. Member of the
eleventh and
twelfth convocations of the
Supreme People's Assembly, the North Korea's
unicameral parliament. After the
death of Kim Jong-il in December 2011, Pyon In-son was ranked 63rd in the
232-person Funeral Committee. According to specialists, places on such lists defined the rank of politician in the hierarchy of the power apparatus. In February 2012, he accompanied
Kim Jong-un during the inspection of the 4th Corps barracks. == Award and honors ==