I Corps is a corps of the North Korean People's Army.
The Corps was activated in 1950 with a strength of 5,000 men. It took command of the North Korean divisions on the eastern sector, in the Seoul area, with the NK II Corps on its flank. It reportedly controlled the 1st, 3rd, 4th, 6th, 13th Divisions in the initial attack.
It advanced during the early phase of the Korean War, then fought in the Battle of Pusan Perimeter.
Its headquarters is now reported as Hoeyang County, Kangwon Province (North Korea).
According to United States Far East Command Headquarters intelligence section as of 31 July 1952 a Korean People's Army Corps was commanded by a lieutenant general. The commanding general had an aide and four officers reporting directly to him. The Chief of Staff headed the corps staff section, while the corps political commander, artillery commander and rear services commander directed the operations of their respective sections. Additionally, the corps headquarters had direct command of various combat, combat support and combat service supports battalions and regiments.
The corps chief of staff directed the staff section of the corps headquarters. The section was made up of:
The corps artillery section, led the corps artillery commander was also divided up into different parts:
The corps political commander, responsible for political education and loyalty had five different parts.
The rear services commander had largest section as well as the staff officer with operational units compromising part of it.
These independent assets were:
As of 31 July 1952, the U.S Far East Command reported the composition of I Corps units as follows: