his career was interrupted by his mandatory service to the south korean army. after graduating from the graduate school of arts in yong-in university in 2005, won bin started his military duty in november 2005 and stationed at the korean demilitarized zone, a position for which he volunteered. on june 2, 2006, the military officially confirmed that won bin would be no longer active. the decision was made by the military when won bin sustained injury to his acl. he had undergone surgery and was officially discharged on june 7, 2006. after the surgery, he had gone through rehabilitation program for more than one year to recover from the injury.