sentences:  A 2009 constitutional amendment mentioned the position of supreme commander again and vested it in the Chairman of the National Defense Commission.Kim Jong-il served as supreme commander until his death on 17 December 2011.Following this, Kim Jong-un was appointed as KPA Supreme Commander on 30 December 2011 by the Political Bureau of the Central Committee of the Workers' Party of Korea in accordance to Kim Jong-il's final instructions.