4th Corps (Vietnam)

4th Corps (Quân đoàn 4) or Cửu Long Corps (Binh đoàn Cửu Long, literally: Corps of Cửu Long or "Corps of the Mekong") is one of the three regular army corps of the People's Army of Vietnam. First organized in 1974 during the Vietnam War, 4th Corps had a major role in the Ho Chi Minh Campaign and the Cambodian–Vietnamese War. Today the corps is stationed in Dĩ An, Bình Dương.

History
In July 1973, the Central Committee of the Communist Party of Vietnam after its 21st conference issued a resolution of strengthening the armed forces in order to unify the country. In executing the issue, three months later the Ministry of Defence and the Military Commission of the Central Committee approved the plan of organizing regular army corps for the Vietnam People's Army. On July 20, 1974, General Võ Nguyên Giáp, Minister of Defence, signed the edict that led to the establishment of the 4th Corps in Đông Nam Bộ, where is located the part of Mekong River called Cửu Long River (Cửu Long Giang or Sông Cửu Long), from which came the name Cửu Long Corps of the unit. The first headquarters of the corps consisted of party committee secretary (bí thư) Hoàng Thế Thiện and commander (tư lệnh) Hoàng Cầm.

During the Ho Chi Minh Campaign, it was 4th Corps that advanced through the delta regions of Phước Long, Biên Hòa and later captured the Special Capital Military District of Saigon and several important targets within Saigon. After the Vietnam War, 4th Corps continued to engage in the Cambodian–Vietnamese War, the corps was awarded the title Hero of the People's Armed Forces (Anh hùng Lực lượng vũ trang nhân dân) in 1980.

Headquarters

 * Department of Staff
 * 100th Guards Battalion
 * 46th Reconnaissance Battalion
 * 26th Signals Battalion
 * Department of Politics
 * Department of Logistics
 * Department of Technical

Combat forces

 * 7th Division
 * 141st Infantry Regiment
 * 165th Infantry Regiment
 * 209th Infantry Regiment
 * 9th Division
 * 1st Infantry Regiment
 * 2nd Infantry Regiment
 * 3rd Infantry Regiment
 * 309th Division
 * 31st Infantry Regiment
 * 96th Infantry Regiment
 * 250th Infantry Regiment
 * 22nd Tank Brigade (T-54/T-55, BRDM-2, M113 ACAV)
 * 71st Air Defense Brigade
 * 12th Air Defense Battalion (AZP S-60)
 * 16th Air Defense Battalion (Type 65)
 * 434th Artillery Brigade
 * M101 howitzer battery
 * M-46 field gun battery
 * BM-21 MLRS battery
 * 429th Commando Brigade
 * 550th Engineer Brigade (PMP floating bridge)
 * 17th Engineer Battalion
 * 276th Engineer Battalion