U.S. Army Lessons Learned and
Combat After-Action Reports
Chronological

1965

Report Title	Report Date	Document ID	Pages
Battlefield Reports. A Summary of Lessons Learned, Headquarters, US Army Vietnam. Volume 1.	22 September 1965	AD0389601	27
Command Report, Headquarters, 4th Transportation Command	20 December 1965	AD0824984	13
Battlefield Reports: A Summary of Lessons Learned. Volume II.	31 December 1965	AD0831179	237

1966

Report Title	Report Date	Document ID	Pages
Combat After Action Report (Operations LINCOLN, I-III), MOSBY I, Headquarters, 1st Cavalry Division (Airmobile)	01 January 1966	AD0824627	60
Lessons Learned, Headquarters, 23d Artillery Group	14 January 1966	AD0393828	46
Command Report, Headquarters, 35th Engineer Group (Construction)	15 January 1966	AD0837794	15
Lessons Learned, Headquarters, 5th Special Forces Group, Airborne	15 January 1966	AD0391693	203
Lessons Learned, 1-66. Headquarters, 173rd Airborne Brigade (Separate). Operation CRIMP	22 March 1966	AD0855104	27
Lessons Learned, 2-66 - The Battle of Annihilation and the Bong Son Campaign.	01 April 1966	AD0502772	18
Operation LINCOLN, 1st Brigade (Airborne), 1st Air Cavalry Division	21 April 1966	AD083386	85
Lessons Learned, Headquarters, 3d Surgical Hospital (Mobile Army)	22 April 1966	AD0874051	19
Lessons Learned, Headquarters, 25th Infantry Division	30 April 1966	AD0391563	226
Lessons Learned, 36th Evacuation Hospital (SMBL)	30 April 1966	AD0873663	18
Lessons Learned, Headquarters, 27th Transportation Battalion (Truck)	07 May 1966	AD0511115	22
Operation JIM BOWIE, Search And Destroy. Headquarters 1st Cavalry Division (Airmobile)	08 May 1966	AD0829472	28
Lessons Learned, 3-66: The Pleiku Campaign. Headquarters, 1st Air Cavalry Div.	10 May 1966	AD0855112	62
Lessons Learned, Headquarters, 5th Special Forces Group (Airborne), 1st Special Forces	10 May 1966	AD0391694	168
Command Report, Headquarters, 11th Transportation Battalion (Terminal)	10 May 1966	AD0824987	32
Lessons Learned, Headquarters, 14th Transportation Battalion	10 May 1966	AD0874606	16
Lessons Learned, Headquarters, 23d Artillery Group	11 May 1966	AD0393826	21
Lessons Learned, Headquarters, 32nd Medical Depot	11 May 1966	AD0874049	15
Lessons Learned, Headquarters, II Field Force Vietnam Artillery	14 May 1966	AD0393827	25
Operation KAHALA, Headquarters, 2d Brigade, 25th Infantry Division	14 May 1966	AD0385751	18
Lessons Learned, Headquarters, 68th Medical Group	14 May 1966	AD0510889	12
Lessons Learned, Headquarters, (5th Howitzer Battalion,) 27th Artillery	15 May 1966	AD0873660	12
Lessons Learned, Headquarters, 1st Infantry Division	30 May 1966	AD0513858	69
Operation BIRMINGHAM, Headquarters, 1st Infantry Division	01 June 1966	AD0387622	261
Operation DENVER, Headquarters, 173d Airborne Brigade (Separate)	17 June 1966	AD0394026	33
Operation LEXINGTON III, Headquarters First Battalion, 18th Infantry	20 June 1966	AD0386121	19
Lessons Learned, 6-66. Lessons Learned In Viet-nam, 1966. Headquarters, 2nd Brigade Task Force 25th Infantry Div.	01 July 1966	AD0855109	22
Operation COCO PALMS, Headquarters, 1st Battalion (Mech) 5th Infantry	13 July 1966	AD0394021	37
Operation SANTA FE, Headquarters, 1st Battalion, 27th Infantry	20 July 1966	AD0387610	21
Operation HAWTHORNE, Headquarters, 1st Brigade, 101st Airborne Division	22 July 1966	AD0394023	38
Lessons Learned, Headquarters, (2d Howitzer Battalion,) 17th Artillery	28 July 1966	AD0873664	36
Combat After Action Report, Headquarters, 1st Squadron, 9th Cavalry, 1st Cavalry Division (Airmobile)	29 July 1966	AD0844158	17
Lessons Learned, Headquarters, 5th Field Hospital	30 July 1966	AD0874053	7
Lessons Learned, Headquarters, 36th Evacuation Hospital (SMBL)	31 July 1966	AD0874052	25
Operation EWA. Headquarters, 1st Battalion, 27th Infantry. The Wolfhounds	02 August 1966	AD0394020	20
Lessons Learned, Headquarters, 61st Medical Battalion	02 August 1966	AD0510888	13
Lessons Learned, Headquarters, 519th Military Intelligence Battalion	07 August 1966	AD0510767	8
Lessons Learned, Headquarters, 394th Transportation Battalion (Terminal)	07 August 1966	AD0874600	11
Lessons Learned, Headquarters, 1st Military Intelligence Battalion	08 August 1966	AD0510768	14
Lessons Learned, Headquarters 8th Field Hospital	09 August 1966	AD0874135	10
Lessons Learned, Headquarters, 74th Medical Battalion	09 August 1966	AD0874054	13
Operation BEAUREGARD (EAGLE BAIT), Headquarters, 1st Brigade, 101st Airborne Division	10 August 1966	AD0394019	30
Lessons Learned, Headquarters 17th Field Hospital	10 August 1966	AD0874136	15
Lessons Learned, Headquarters, 5th Special Forces Group (Airborne), 1st Special Forces	10 August 1966	AD0393836	48
Lessons Learned, Headquarters 3d Field Hospital	11 August 1966	AD0874130	11
Lessons Learned 7-66, Operations COCOA BEACH And HAPPY VALLEY	11 August 1966	AD0502774	30
Lessons Learned, Headquarters, 23d Artillery Group	12 August 1966	AD0393684	31
Lessons Learned, Headquarters, 58th Medical Battalion	12 August 1966	AD0874144	11
Lessons Learned, Headquarters, 41st Signal Battalion (Combat Area)	13 August 1966	AD0877984	11
Lessons Learned, Headquarters, II Field Force Vietnam Artillery	14 August 1966	AD0393829	42
Lessons Learned, Headquarters 7th Surgical Hospital (Mobile Army)	14 August 1966	AD0874133	11
Lessons Learned, Headquarters, 67th Evacuation Hospital	14 August 1966	AD0874147	14
Lessons Learned, Headquarters, 92d Military Police Battalion	14 August 1966	AD0510913	10
Lessons Learned, Headquarters, 18th Surgical Hospital (MA)	15 August 1966	AD0874138	11
Lessons Learned, Headquarters, 44th Medical Brigade	15 August 1966	AD0844156	21
Lessons Learned, Headquarters, 89th Military Police Group	15 August 1966	AD0510912	14
Lessons Learned, Headquarters, 6th Psychological Operations Battalion	15 August 1966	AD0394030	13
Lessons Learned, Headquarters, 58th Transportation Battalion (AM and S) (AMMO)	15 August 1966	AD0874601	24
Operation FILLMORE, Headquarters, 1st Brigade 101st Airborne Division	17 August 1966	AD0394022	26
Lessons Learned, Headquarters, 43d Medical Group	23 August 1966	AD0510911	12
Operation KOKO HEAD, (Headquarters, 1st Battalion (Mech) 5th Infantry	25 August 1966	AD0394025	22
Lessons Learned, Headquarters, 25th Infantry Division	30 August 1966	AD0391727	338
Operation AURORA I, Headquarters, 173d Airborne Brigade (Separate)	15 September 1966	AD0385753	24
Operation HOLLANDIA, Headquarters, 173d Airborne Brigade (Separate)	15 September 1966	AD0394024	25
Lessons Learned, Headquarters, 55th Medical Group	18 September 1966	AD0394029	20
Lessons Learned, Headquarters, 85th Evacuation Hospital (SMBL)	19 September 1966	AD0874149.	12
Lessons Learned, Headquarters, (1 -31st August 1966), Headquarters, 1st Battalion 69th Armor 3rd Brigade 25th Infantry Division	26 September 1966	AD0385846	52
Operation JOHN PAUL JONES, 1st Brigade, 101st Airborne Division	28 September 1966	AD0388882	34
Operation HICKORY, Headquarters, 3d Squadron, 11th Armored Cavalry Regiment	30 October 1966	AD0387607	27
Lessons Learned, Headquarters, 2d Howitzer Battalion, 35th Artillery	31 October 1966	AD0393832	10
Lessons Learned, Headquarters, 25th Infantry Division	31 October 1966	AD0385848	75
Lessons Learned, Headquarters, 394th Transportation Battalion (Terminal)	31 October 1966	AD0874608	9
Lessons Learned, Operation ATTLEBORO, 2d Brigade, 25th Infantry Division	01 November 1966	AD0387618	46
Lessons Learned, Headquarters 7th Surgical Hospital (Mobile Army)	01 November 1966	AD0874134	11
Lessons Learned, Headquarters, 61st Medical Battalion	01 November 1966	AD0874146	12
Lessons Learned, Headquarters, 3rd Brigade Task Force, 25th Infantry Division	04 November 1966	AD0391485	44
Lessons Learned, Headquarters, 45th Surgical Hospital (MA)	05 November 1966	AD0874143	12
Lessons Learned, Headquarters, 10th Transportation Battalion (Terminal)	05 November 1966	AD0874603	25
Lessons Learned, Headquarters, 23d Artillery Group	06 November 1966	AD0393516	24
Operation SEWARD, Headquarters 1st Brigade, 101st Airborne Division	06 November 1966	AD0386128	63
Lessons Learned, Headquarters, 85th Evacuation Hospital (SMBL)	06 November 1966	AD0874150	13
Lessons Learned, Headquarters, 18th Surgical Hospital (MA)	07 November 1966	AD0874139	11
Lessons Learned, Headquarters, 67th Evacuation Hospital	07 November 1966	AD0874148	18
Lessons Learned, Headquarters, 70th Medical Battalion	07 November 1966	AD0510890	14
Lessons Learned, Headquarters, 716th Military Police Battalion	08 November 1966	AD0510914	15
Lessons Learned, Headquarters, 24th Evacuation Hospital (Semimobile)	09 November 1966	AD0874140	10
Lessons Learned, Headquarters, 21st Signal Group	09 November 1966	AD0877989	14
Lessons Learned, Headquarters, 32nd Medical Depot	10 November 1966	AD0874057	12
Lessons Learned, Headquarters, 58th Medical Battalion	10 November 1966	AD0874145	11
Lessons Learned, Headquarters, 52d Combat Aviation Battalion	11 November 1966	AD0510790	22
Lessons Learned, Headquarters, 93rd Military Police Battalion	11 November 1966	AD0844099	15
Lessons Learned, Headquarters, 1st Brigade, 101st Airborne Division	12 November 1966	AD0512778	98
Lessons Learned, Headquarters, 36th Evacuation Hospital (SMBL)	12 November 1966	AD0874055	21
Lessons Learned, Headquarters, 93rd Evacuation Hospital	12 November 1966	AD0874151	27
Lessons Learned, Headquarters, II Field Force Vietnam Artillery	14 November 1966	AD0393834	51
Lessons Learned, Headquarters 3d Field Hospital	14 November 1966	AD0874131	20
Lessons Learned, Headquarters, 74th Medical Battalion	14 November 1966	AD0874056	11
Lessons Learned, Headquarters, 89th Military Police Group	14 November 1966	AD0393835.	24
Lessons Learned, Headquarters, 97th Military Police Battalion	14 November 1966	AD087419	10
Lessons Learned, Headquarters, 504th Military Police Battalion (Army)	14 November 1966	AD0394094	24
Lessons Learned, Headquarters, II Field Force Vietnam	15 November 1966	AD0512784	88
Lessons Learned, Headquarters, 44th Medical Brigade	15 November 1966	AD0844157	25
Lessons Learned, Headquarters, 18th Military Police Brigade	15 November 1966	AD0394095	32
Lessons Learned, Headquarters, 5th Special Forces Group (Airborne), 1st Special Forces	15 November 1966	AD0393837	80
Lessons Learned, Headquarters, 4th Transportation Command	15 November 1966	AD0874604	126
Lessons Learned, Headquarters, 6th Transportation Battalion (Truck)	15 November 1966	AD0875275.	13
Lessons Learned, Headquarters, 43rd Medical Group	21 November 1966	AD0874142	10
Lessons Learned, Headquarters 6th Medical Center (Convalescent)	24 November 1966	AD0874132	8
Lessons Learned, 149th Military Intelligence Group	25 November 1966	AD0510786	13
Lessons Learned, 519th Military Intelligence Battalion (Field Army)	28 November 1966	AD0510785	9
Lessons Learned, Operation ATTLEBORO, Headquarters, 25th Infantry Division	01 December 1966	AD0387619	45
Operation EL PASO II/III, Headquarters, 1st Infantry Division	08 December 1966	AD0387606	252
Lessons Learned, Headquarters, 1st Aviation Brigade	13 December 1966	AD0873665	63
Lessons Learned, Operation ATLANTIC CITY, Headquarters, 173d Airborne Brigade (Separate)	15 December 1966	AD0387603	30
Lessons Learned, Operation SIOUX CITY, Headquarters, 173d Airborne Brigade (Separate)	15 December 1966	AD0387609	39
Lessons Learned, Operation ROBIN, Headquarters, 173rd Airborne Brigade (Separate)	15 December 1966	AD0388135	23
Operation TOLEDO, 173d Airborne Brigade	15 December 1966	AD0510789	50
Operation LANIKAI- Search And Destroy and Pacification. 4th Battalion, 23d Infantry, 25th Infantry Division	18 December 1966	AD0386119	37
Operation MASTIFF, From 1st Infantry Division	21 December 1966	AD0386118	71
Lessons Learned, Headquarters, 4th Infantry Division	22 December 1966	AD0510787	91
Operation ATTLEBORO, Headquarters, 173d Airborne Brigade (Separate)	30 December 1966	AD0387602	22

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U.S. Army Lessons Learned and Combat After-Action Reports Chronological

1965

1966

U.S. Army Lessons Learned and
Combat After-Action Reports
Chronological