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United Nations Command offensive against North Korea
Pusan Perimeter offensive
Part of the Korean War
Map of the Pusan Perimeter breakout
Date
16–22 September 1950
Location
Pusan, South Korea
Result
United Nations victory
Belligerents
United Nations
United States
South Korea
United Kingdom
North Korea
Commanders and leaders
Douglas MacArthur Walton Walker Frank W. Milburn Chung Il-Kwon Shin Sung-Mo Earle E. Partridge
Choi Yong-kun Kim Chaek Kim Ung Kim Mu Chong
Units involved
Eighth Army
2nd Infantry Division
25th Infantry Division
I Corps
1st Cavalry Division
24th Infantry Division
5th Regimental Combat Team
1st Infantry Division
27th Infantry Brigade
Republic of Korea Army
I Corps
3rd Infantry Division
II Corps
6th Infantry Division
8th Infantry Division
Fifth Air Force
Korean People's Army
1st Division
2nd Division
3rd Division
4th Division
5th Division
6th Division
7th Division
8th Division
13th Division
15th Division
27th Division
105th Armored Division
Strength
140,000
70,000
v
t
e
Korean War
North Korean offensive (25 June – 15 September 1950)
Pokpung
Chuncheon
1st Seoul
Gorangpo
Kaesong–Munsan
Ongjin
Uijeongbu
Suwon Airfield
Air Campaign
Andong
Chumonchin Chan
Osan
Pyongtaek
Chonan
Chochiwon
Taejon
Sangju
Yongdong
Hwanggan
Hadong
Notch
Pusan Perimeter
Masan
P'ohang-dong
Taegu
1st Naktong Bulge
Bowling Alley
Battle Mountain
Kyongju
Haman
Nam River
Ka-san
Tabu-dong
Yongsan
2nd Naktong Bulge
United Nations Command counteroffensive (15 September – 30 October 1950)
Inchon
Pusan Perimeter offensive
2nd Seoul
UN September 1950 counteroffensive
Hill 282
UN offensive into North Korea
Sariwon
Pyongyang
Yongyu
Kujin
Chongju
Sunchon tunnel
Chinese Intervention (25 October 1950 – January 1951)
Onjong
Unsan
Pakchon
Second Phase Offensive
Ch'ongch'on River
Wawon
Chosin Reservoir
Task Force Faith
UN retreat from North Korea
Hungnam evacuation
3rd Seoul
Uijeongbu
1st and 2nd Wonju
Pohang
Fighting around the 38th parallel (January – June 1951)
Happy Valley
Thunderbolt
Twin Tunnels
Roundup
Hoengsong
Chipyong-ni
3rd Wonju
Chuam-ni
Wonsan
Killer
4th Seoul (Operation Ripper)
Maehwa-san
Courageous
Tomahawk
Rugged
Dauntless
Spring offensive
Imjin River
Yultong
Hwacheon
Kapyong
Soyang River
UN May–June 1951 counteroffensive
Stalemate (July 1951 – 27 July 1953)
Bloody Ridge
Minden
Punchbowl
Heartbreak Ridge
Commando
1st Maryang-san
Haktang-ni
Polecharge
2nd Maryang-san
Rat Killer
Hill Eerie
Old Baldy
Blaze
Bunker Hill
Outpost Kelly
White Horse Hill
Arrowhead Hill
Triangle Hill
Jackson Heights
Noris
1st Hook
2nd Hook
Chatkol
Outpost Vegas
Pork Chop Hill
Little Switch
Nevada Complex
3rd Hook
Outpost Harry
Kumsong
Berlin Outposts and Boulder City
Samichon River
Korean Armistice Agreement
Big Switch
Panmunjom Declaration
Air operations (1950 – 1953)
Air Campaign
MiG Alley
Sunchon
Strangle
Sui-ho Dam
Bombing of North Korea 1950–1953
Naval operations (1950 – 1953)
Naval engagements of the Korean War
For further information, see also: Korean War (template)
v
t
e
Battle of Pusan Perimeter
August
Masan
Bloody Gulch massacre
Battle Mountain
1st Naktong Bulge
P'ohang-dong
Taegu
Bowling Alley
Hill 303 massacre
September
Great Naktong Offensive
Kyongju
Tabu-dong
Ka-san
2nd Naktong Bulge
Yongsan
Haman
Nam River
Pusan Perimeter offensive
Background
Order of battle
Logistics
The Pusan Perimeter offensive was a large-scale offensive by United Nations Command (UN) forces against North Korean forces commencing on 16 September 1950.
UN forces, having been repeatedly defeated by the advancing North Koreans, were forced back to the "Pusan Perimeter", a 140-mile (230 km) defensive line around an area on the southeastern tip of the Korean Peninsula that included the port of Pusan. The UN troops, consisting mostly of forces from the South Korea and the United States (US) mounted a last stand around the perimeter, fighting off repeated North Korean attacks for six weeks as they were engaged around the cities of Taegu, Masan, and Pohang and the Naktong River. The massive North Korean assaults were unsuccessful in forcing the UN forces back further from the perimeter, despite two major pushes in August and September. Following the UN counterattack at Inchon on 15 September, on 16 September UN forces within the Pusan Perimeter mounted an offensive to drive back the North Koreans and link up with the UN forces at Inchon.
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