Chang Jongmun

Chang Jongmun (Zhenian: 장종문; December 19, 1499 - June 29, 1575) was a of the Republic of Zhenia Navy. As the Republic of Zhenia Navy's from 1553 to 1567, he directed the reconstruction of the Zhenian Navy during the Third Republic and spearheaded the development of naval nuclear propulsion within the branch. He played a crucial role in laying the fundamentals of the Republic of Zhenia Navy as it is today, reforming personnel policies and significantly shaping the indoctrination of the Navy. His accomplishments regarding the reconstruction of the Republic of Zhenia Navy after the Second Zhenian Civil War earned him the nickname "father of the modern Zhenian navy".

Early life and education
Chang Jongmun was born on December 19, 1499, shortly after the December Revolution, in Seongnam, Gyeongin Province, making him the first Zhenia Naval Chief of Staff to have been born after the December Revolution.