Article U.S. Army Casualties By Unit

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Source: National Archives and Records Administration
Unit .......................Nickname ...............KIA...............Comment

1st Cavalry Division* First Team *5,464

25th Infantry Division *Tropic Lightning *4,561

101st Airborne Division *Screaming Eagles* 4,022

1st Infantry Division *Big Red One* 3,151

Various Individual Units -------------- 2,872 *See Note 1 below

9th Infantry Division *Old Reliables* 2,629

4th Infantry Division *Ivy Division* 2,541

173rd Airborne Brigade (Separate) *Sky Soldiers* 1,758

1st Aviation Brigade ---------------- 1,706

196th Light Infantry Brigade ------ 1,188

11th Light Infantry Brigade -------- 1,109

Military Assistance Command Vietnam *MACV* 1,017 --Advisors to ARVN

198th Light Infantry Brigade -------- 987

United States Army Vietnam *USARV *847---- Headquarters - includes advisors

5th Special Forces Group (Airborne) *Green Berets*-- 834

23rd Infantry Division *Americal* 809--- non-brigade units

199th Light Infantry Brigade *Redcatchers* 757

11th Armored Cavalry Regiment* Blackhorse* 729

1st Logistical Command -------------- 598

5th Infantry Division (Mechanized) *Red Diamond *530---- 1st Brigade only

I Field Force Vietnam *IFFV*--------- 353

82d Airborne Division *All American* 228------ 3rd Brigade only

1st Signal Brigade --------------------- 193

II Field Force Vietnam *IIFFV*-------- 80

Engineer Command -------------------- 64

Unit unknown ---------------------------- 6



Note 1: This group is comprised of the following individual units with no further breakdown

17th Field Hospital (An Khe)
22nd Surgical Hospital (Phu Bai)
71st Evacuation Hospital (Pleiku)
91st Evacuation Hospital (Tuy Hoa)
95th Field Hospital (Qui Nhon)
3rd Field Hospital (III Corps)
7th Surgical Hospital (III Corps)
45th Surgical Hospital (III Corps)
93rd Evacuation Hospital (III Corps)
80th Engineer Group
121st Assault Helicopter Company
18th Military Police Brigade
89th Military Police Brigade
8th Transportation Group
48th Transportation Group
11th Aviation Group
12th Aviation Group
23rd Artillery Group
108th Artillery Group
35th Engineer Group
45th Engineer Group
34th General Support Group
506th Field Depot

 

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NUMBER OF U.S. TROOPS SERVING

SERVICE NUMBER % OF TOTAL

Army 1,736,000 67%
Marine Corps 391,000 15%
Air Force 293,000 11%
Navy * 174,000 7%
Total 2,594,000

* Includes 8,000 Coast Guardsmen.

Note: The Southeast Asia Theater encompassed
Indochina, Thailand and the South China Sea.


U.S. Hostile Deaths by Military Service

SERVICE NUMBER % OF TOTAL

Army 30,950 65%
Marines 13,091 28%
Air Force 1,744 4%
Navy 1,628 * 3%
Total 47,413

* The 5 Coast Guardsmen are included in the Navy total.


American Deaths by Year

(Listed in deadliest order)

YEAR ALL DEATHS % OF TOTAL

1968 16,869 29%
1969 11,775 20%
1967 11,348 20%
1966 6,333 11%
1970 6,164 11%
1971 2,413 4%
1965 1,926 3%
1972 763 * 1%
Other Years 607 1%
Total 58,198

* The last U.S. infantry unit was pulled from the field on
Aug. 11, 1972, so U.S. casualties dramatically declined.

* The 143 men subsequently declared dead between 1973
and 2002 are not included in these totals.

* From 1956-1964, 417Americans died in Vietnam.

* During January 1973, 29 Americans died in Vietnam--19
as a result of hostile action. In May 1975, 18
Americans were KIA on Koh Tang Island off Cambodia.

* The three deadliest years of Vietnam (1967, 1968 and
1969) killed 39,992 Americans--3,416 more than the
three years of the entire Korean War.