Atlas of Battles

campaign, Cold War

Operation Killer

Operation Killer was a campaign fought in 1951 at Korea, in what is now South Korea. It was part of the Korean War, which ran from 1950 to 1953. The recorded result: UN victory.

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Fought1951
WhereKorea, South Korea37.543N, 126.982E
OutcomeUN victory
BelligerentsUnited Nations: United States; First Republic of Korea; United Kingdom; Australia; Canada; New ZealandagainstChina; North Korea
Part ofKorean War1950 to 1953

Where it sits in the Korean War

First Battle of Naktong Bulge, 1950Battle of Chonan, 1950Second Battle of Naktong Bulge, 1950Battle of Wawon, 1950Battle of Taegu, 1950Battle of the Bowling Alley, 1950Battle of Ka-san, 1950Battle of Tabu-dong, 1950Battle of Yongsan, 1950Battle of Uijeongbu, 1950bombing of Pyongyang, 1950Battle of Chochiwon, 1950Battle of Yongdong, 1950Battle of Sangju, 1950Battle of Nakdong River, 1950bombing of North Korea, 1950First Battle of Seoul, 1950Operation Pokpoong, 1950Battle of Chuncheon, 1950Battle of Kaesong–Munsan, 1950Battle of Ongjin, 1950Battle of Korea Strait, 1950Battle of Andong, 1950Battle of Chumonchin Chan, 1950Battle of Osan, 1950Battle of Pyongtaek, 1950Battle of Taejon, 1950Hadong Ambush, 1950Battle of the Notch, 1950Battle of Pusan Perimeter, 1950Battle of Pusan Perimeter logistics, 1950Battle of P'ohang-dong, 1950Battle of Masan, 1950Battle of Battle Mountain, 1950Battle of Cheonpyeong Valley, 1950Battle of Kyongju, 1950Battle of Nam River, 1950Battle of Haman, 1950Great Naktong Offensive, 1950Battle of Inchon, 1950UN offensive into North Korea, 1950Second Battle of Seoul, 1950Battle of Sariwon, 1950Battle of Pyongyang (1950), 1950Battle of Yongju, 1950Battle of Unsan, 1950Battle of Onjong, 1950Battle of Kujin, 1950Battle of Chongju, 1950Battle of Pakchon, 1950Battle of the Ch'ongch'on River, 1950Battle of Changjin Reservoir, 1950Third Battle of Seoul, 1950First and Second Battles of Wonju, 1950Battle of Hoengsong, 1951Battle of Uijeongbu, 1951Pohang Operation, 1951Battle of the Twin Tunnels, 1951Operation Roundup, 1951Battle of Chipyong-ni, 1951Blockade of Wonsan, 1951Operation Thunderbolt, 1951Operation Killer, 1951Operation Ripper, 1951Battle of Maehwa-san, 1951Operation Tomahawk, 1951Operation Rugged, 1951Battle of Kapyong, 1951Battle of the Imjin River, 1951Battle of Yultong, 1951Operation Dauntless, 1951Chinese Spring Offensive, 1951Battle of the Soyang River, 1951Battle of Bloody Ridge, 1951Battle of the Punchbowl, 1951Operation Minden, 1951Battle of Heartbreak Ridge, 1951Naval Battle of the Han River, 1951Battle of Hill 355, 1951First Battle of Maryang-san, 1951Battle of Haktang-ni, 1951Operation Polecharge, 1951Battle of Sunchon, 1951Battle of White Horse, 1952Attack on the Sui-ho Dam, 1952Battle of Hill Eerie, 1952Battle of Old Baldy, 1952Battle of Triangle Hill, 1952Second Battle of the Hook, 1952Battle of Chatkol, 1953Battle for Outpost Vegas, 1953Battle of the Hook, 1953Outpost Harry, 1953Battle of Pork Chop Hill, 1953Battle of Kumsong, 1953Battle of the Samichon River, 195319501953Operation Killer, 1951
98 placed engagements of the Korean War in time order; taller ticks are more widely documented. Each tick is a link.

Record

Date1951 (year precision)
to 1951
PlaceKorea, South Korea
37.543N, 126.982E
KindCampaign, Cold War
Casualties and lossesFirst Republic of Korea; 59 killed; 802 missing; 119 wounded; Total 980 CasualtiesChina; 7,819 killed; 1,469 wounded; 208 captured; Total 9,496 casualties
Commanders
Operation KillerOperation KillerThird Battle of SeoulJapanese occupation of GyeongbokgungSiege of HaengjuBattle of UijeongbuBattle of InchonSiege of HaengjuBattle of UijeongbuBattle of InchonDaejeonHaejuAndongSokchoOngjinPyongsanCheongjuKaesong100 km37.543N, 126.982E
The recorded site, with the nearest other engagements in the atlas. Present-day coastlines, rivers and borders; towns from Natural Earth.

Nearest engagements

Contested ground: this site was fought over 3 times between 1894 and 1951.

In the same war

Elsewhere in 1951

Operation Killer is one of 4,429 engagements of the 20th century in the atlas and one of 128 in present-day South Korea.

Sources

Identity, coordinates, dates and the war from Wikidata Q7097206, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Operation Killer, revision 1377817348, read 2026-11-15, licensed CC BY-SA 4.0; the article's text is not reproduced here. Present-day country and state from Natural Earth. Dates before 1582 follow the Julian calendar as recorded.