Chasu is a superior military rank

Comparative military ranks of Korea

Comparative military ranks of Korea refer to the ranks and insignia maintained by the three primary military powers present on the Korean Peninsula, those being the Republic of Korea Armed Forces , the Korean People's Army of the Democratic People's Republic of Korea , and the military forces of...

 of North Korea

North Korea

The Democratic People’s Republic of Korea , , is a country in East Asia, occupying the northern half of the Korean Peninsula. Its capital and largest city is Pyongyang. The Korean Demilitarized Zone serves as the buffer zone between North Korea and South Korea...

, often translated as Vice-Marshal. The rank is senior to that of Daejang

Daejang

Daejang is a senior military rank of the Korean Peninsula, used by both North and South Korea. It is considered the combined equivalent of a General and Admiral in other nations...

and junior to that of Wonsu

Wonsu

Wonsu is a very high military rank of the armed forces of the Republic of Korea and of North Korea.-South Korea:Wonsu, known in English as "General of the Army of the Republic of Korea", is the highest military rank of the Republic of Korea armed forces and is the combined equivalent of a Field...

. The rank is seldom bestowed upon the professional military, and appears to be rather a combined political-military position.

The insignia for a Chasu is influenced by the obsolete Marshal of the Soviet Union

Marshal of the Soviet Union

Marshal of the Soviet Union was the de facto highest military rank of the Soviet Union. ....

insignia, superimposing a North Korean national crest upon a Marshal’s insignia star.