Actions and Campaigns in Korea
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        Major Campaigns and Operations of the Korean War*
        Information for this page was taken from tables on pages 118-122 of the Army surgeon general’s report 
        Battle Casualties and Medical Statistics: U.S. Army Experience in the Korean War by Frank Reister. 
        
          *The report was written to reflect Army operations. Marine operations not listed. Informative 
          comments from veterans who participated in any of the listed campaigns are welcome and appreciated.  
         
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        Defensive Operations (major Communist offensives)
        
          - Delaying invasion of South Korea 4 July-3 Aug. 1950
 
          - Defense of Pusan perimeter 4 Aug.-15 Sept. 1950
 
          - CCF counteroffensive in North Korea 25 Nov.-15 Dec. 1950
 
          - CCF counterattack in Wonju-Chipyong area 12-21 Feb. 1951
 
          - CCF first spring offensive 22-29 April 1951
 
          - CCF second spring offensive 17-22 May 1951
 
          - CCF attack on western and central fronts 6-13 Oct. 1952
 
          - CCF attack ROK II Corps front 10-18 June 1953
 
          - Battle of Kumsong River, salient 14-20 July 1953
 
         
        
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        Withdrawal Operations (Communist general offensive)
        
          - Evacuation of Hungnam 1-24 Dec. 1950
 
          Withdrawal from North Korea to Line "D" 2 Dec. 1950-16 Jan. 1951 
         
        
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        Offensive Operations (major UN offensives)
        
          - Breakout of Pusan perimeter 16-27 Sept. 1950
 
          - Inchon landing and liberation of Seoul 18-30 Sept. 1950
 
          - Operation Thunderbolt - Armed Recon to retake offensive 25 Jan-20 Feb 1951
 
          - Operation Killer - to reestablish UN Line east of Wonju 21 Feb-7 March 1951
 
          - Operation Ripper - to outflank Seoul and capture Chunchon 7 March-4 April 1951
 
          - Operation Rugged - secure Phase Line Kansas n. of 38th parallel 1-15 April 1951
 
          - Operation Dauntless - secure Phase Line Utah forward to Line Kansas 10-22 April 
          1951
 
          - Operation Detonate - return to 38th parallel 3rd time, retake Line Kansas 20 May-8 
          June 1951
 
          - Operation Piledriver - secure Phase Line Wyoming and the Iron Triangle 3-12 June 
          1951
 
          - Operation Commando - secure Phase Line Jamestown 3-15 Oct. 1951
 
          - Operation Nomad & Polar - secure Phase Lines later designated as line Missouri 
          13-22 Oct. 1951
 
         
        
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        Pursuit and Mopping-up Operations
        
          - Pursuit & mopping-up south of 38th parallel 28 Sept.-30 Nov. 1950
 
          - Pursuit north of 38th parallel to Yalu River 5 Oct.-27 Nov. 1950
 
          - Iwon landing and pursuit north of 38th parallel 31 Oct.-27 Nov. 1950
 
         
        
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        Defensive Lines - excluding limited operations
        
          - Line "D" - furthest CCF penetration into South Korea 5-29 Jan. 1951
 
          - Line Boston - south bank of Han River; southeast of Seoul in I Corps sector 18 Feb.-6 March 1951
 
          - Line Kansas - Eighth army Phase Line across Korea; north and south of 38th parallel 
          4-29 April 1951
 
         
        
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        Defensive lines - including limited operations
        
          - Line Golden - I Corps Defensive Line north of Seoul, halting CCF spring offensive 29 April-19 May 1951
 
          - Line No Name - Eighth Army Defensive Line in IX and X Corps, halting CCF spring offensive 29 April-19 May 
          1951
 
          - Line Wyoming - I Corps Phase Line forward of Line Kansas, around 38th parallel 10 
          June-2 Oct. 1951
 
          - Line Wyoming - IX Corps Phase Line forward of Line Kansas, above 38th parallel 13 
          June-31 Oct. 1951
 
          - Line Kansas/Hays - X Corps Phase Lines above 38th parallel in X 
          Corps sector 15 July-4 Oct. 1951
 
          - Line Jamestown - main battle position I Corps sector on western front 7 Oct. 
          1951-27 July 1953
 
          - Line Missouri - main battle position IX Corps sector on central front 23 Oct. 
          1951-27 July 1953
 
          - Line Minnesota - main battle position X Corps sector on eastern front - 15 Oct. 
          1951-27 July 1953
 
          - Line Wyoming - I Corps 10 June-3 Oct. 1951
 
          - Line Wyoming - IX Corps 13 June-31 Oct. 1951
 
          - Line Kansas/Hays - X Corps 15 July-15 Oct. 1951
 
          - Line Jamestown - 7 Oct. 1951-27 July 1953
 
          - Line Missouri - 23 Oct. 1951-27 July 1953
 
          - Line Minnesota - 16 Oct. 1951-27 July 1953
 
         
        
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        Limited Operations from Defensive Lines
        
          - Operations from Line Wyoming 26 June-3 Oct. 1951
 
          - Line Wyoming - I Corps 1 July-3 Oct. 1951
 
          - Operation Doughnut - to seize dominating terrain of Sobang Mountains 1-4 July 1951
 
          - Raid on DIG and Kwijon-ni 3-8 Aug. 1951
 
          - Attack on Hills 272 and 487 - 18-19 Aug. 1951
 
          - Operation Citadel - to move MLR forward to OPLR 9-10 Sept. 1951
 
          - Operation Clean-up I - attempt to sweep enemy from front of position 18 Sept. 1951
 
          - Operation Clean-up II - to secure railroad running north from Uijongbu 29 Sept.-3 Oct. 1951
 
         
        
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        Line Wyoming - IX Corps 26 June-21 Sept. 1951
        
          - Operation Cat and Dog - to destroy enemy positions and capture prisoners 26-28 June 1951
 
          - Attack on Hills 682 and 850 - 12-15 July 1951
 
          - Operation Cow Puncher - to secure Phase Line Utah forward of Line Wyoming - 2-3 Aug. 1951
 
          - Attack on Hills 658 and 851 - 31 Aug.-4 Sept. 1951 
 
          - Operation Ohio-Sloan - to secure new positions on Line Wyoming - 8-12 Sept. 1951
 
          - Operation Cleaver - Tank/Infantry raid in The Iron Triangle 21 Sept. 1951
 
          - Operations from Line Kansas/Hays - X Corps 26 July-15 Oct. 1951
 
         
        
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        Line Kansas - 26 July-5 Sept. 1951
        
          - Attack on Hills 1059, 1100, 1120, and 1179 - 26-30 July 1951
 
          - Battle of Bloody Ridge (Ridge from Hill 900 to 983) - 27 Aug.-5 Sept. 1951
 
         
        
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        Line Hays - 9 Sept.-15 Oct. 1951
        
          - Attack on Hill 868 - 9 Sept.-12 Sept. 1951
 
          - First Battle of Heartbreak Ridge - 13-29 Sept. 1951
 
          - Second battle of Heartbreak Ridge - 5-6 Oct. 1951
 
          - Attack on Hills 851, 1220, and adjacent ridges - 7-15 Oct. 1951
 
          - Operations from Lines Jamestown, Missouri, and Minnesota - 16 Oct. 1951-24 July 1953
 
         
        
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        Line Jamestown - I Corps - 16 Oct. 1951-24 July 1953
        
          - Operation Polecharge - to secure three hill masses on Line 16-18 Oct. 1951
 
          - Attack on Hill 199 - 24-30 Oct. 1951
 
          - Defense of Hill 200 - 5-10 Nov. 1951
 
          - First battle of Porkchop Hill - 22-25 Nov. 1951
 
          - Operation Clam-up - cease activity to lure enemy patrols - 10-16 Feb. 1952
 
          - Operation Counter - to secure eleven key terrain features on Outpost Line 7-25 June 1952
 
          - First battle of Old Baldy - 26 June-17 July 1952
 
          - Second battle of Old Baldy - 17-22 July 1952
 
          - Third battle of Old Baldy - 1-4 Aug. 1952
 
          - Fourth battle of Old Baldy - 18-21 Sept. 1952
 
          - Defense of Outpost Kelly - 18-30 Sept. 1952
 
          - Fifth battle of Old Baldy - 23-26 March 1953
 
          - Third battle of Porkchop Hill (2nd battle fought by French Battalion) - 16-18 April 1953
 
          - Defense of Outpost Carson, Elko, and Vegas - 28-30 May 1953
 
          - Fourth battle of Porkchop Hill - 6-11 July 1953
 
          - Defense of Outpost Dale and Westview - 23-24 July 1953
 
         
        
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        Line Missouri - IX Corps 10 Feb.-4 Nov. 1952
        
          - Operation Clam-Up - cease activity to lure enemy patrols - 10-15 Feb. 1952
 
          - Operation Showdown - to secure Hill 598 - 14-27 Oct. 1952
 
          - Defense of Hill 391 - 24-28 Oct. 1952
 
          - Defense of Outpost Charlie and King - 28 Oct.-4 Nov. 1952
 
         
        
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        Line Minnesota - X Corps - 10 Feb.-4 Nov. 1952
        
          - Operation Clam-Up - cease activity to lure enemy patrols 10-15 Feb. 1952
 
          - Defense of Heartbreak Ridge area - 6-7 Sept. 1952
 
          - Defense of Heartbreak Ridge area - 3-4 Nov. 1952
 
         
        
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        Re-deploying/regrouping - 21 Dec. 1950-10 Jan. 1951
        
        
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        Corps or Army Reserve - 4 July 1950-27 July 1953
        
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