Kim Sung-il () is a former Chief of Staff of the Republic of Korea Air Force. Early life and education He was born on August 24, 1948, and attended the Korea Air Force Academy and Korea National Defense University. He served as commander of the 11th Wing and the Aerospace Project Group, and later became the Director of Korea Defense Intelligence Agency, a position traditionally held by Army generals Career He was appointed to a two-year term as Chief of Staff of ROKAF in October 2005. He resigned in March 2007 after a KF-16 fighter jet crashed due to maintenance failures. He was also facing criticism for having played golf during a national day of mourning for Yoon Jang-ho, a soldier who was killed in Afghanistan. References 1948 births Living people Chiefs of Staff of the Air Force (South Korea) People from South Gyeongsang Province Kyeongbuk High School alumni