 Attaining the rank of captain, he participated in a number of counterinsurgency operations before taking a staff position at the Ministry of Defence.He was dismissed from the armed forces in 1977, apparently because of his association with former general and later National League for Democracy cofounder Tin Oo, and embarked on a new career as a businessman and consultant after he was awarded a science degree from Rangoon Arts and Science University.He married to Thein Myint Kyi and they couple has two sons and two daughter.