He has experience to join Stalingrad and Berlin battle as division assist chief of staff for operation as Russian army. From both Korea army leaders, he had the most highest and experienced army leader. Nevertheless there are some argument because his rank was only captain. But during world war second, in the Russian army, the demolition od assignment to a position was not unusual. He took chief of the staff in N.Korea army durin Korean war and joined ceasefire meeting as chief delegate.