WW2 Order of Battle Medical Units

View of a Clearing Station, somewhere behind Utah Beach, Normandy, taken June 6 – 7, 1944 – triage of Airborne casualties and patients …
Here follows a list of organic Medical Units, assigned to specific Divisions throughout World War 2:
| Medical Unit | Division |
|---|---|
| 1st Cavalry Medical Squadron | 1st Cavalry Division |
| 1st Medical Battalion | 1st Infantry Division |
| 2d Medical Battalion | 2d Infantry Division |
| 2d Armored Medical Battalion | 9th Armored Division |
| 3d Cavalry Medical Squadron (Cld) | 2d Cavalry Division (Cld) |
| 3d Medical Battalion | 3d Infantry Division |
| 4th Veterinary Company | Philippine Division |
| 4th Medical Battalion | 4th Infantry Division |
| 5th Medical Battalion | 5th Infantry Division |
| 6th Medical Battalion | 6th Infantry Division |
| 7th Medical Battalion | 7th Infantry Division |
| 8th Medical Battalion | 8th Infantry Division |
| 9th Medical Battalion | 9th Infantry Division |
| 10th Mountain Medical Battalion | 10th Mountain Division |
| 12th Medical Regiment (partially Philippine Scouts) | Philippine Division |
| 24th Medical Battalion | 24th Infantry Division |
| 25th Medical Battalion | 25th Infantry Division |
| 45th Armored Medical Battalion | 3d Armored Division |
| 46th Armored Medical Battalion | 4th Armored Division |
| 47th Armored Medical Battalion | 1st Armored Division |
| 48th Armored Medical Battalion | 2d Armored Division |
| 75th Armored Medical Battalion | 5th Armored Division |
| 76th Armored Medical Battalion | 6th Armored Division |
| 77th Armored Medical Battalion | 7th Armored Division |
| 78th Armored Medical Battalion | 8th Armored Division |
| 80th Armored Medical Battalion | 10th Armored Division |
| 81st Armored Medical Battalion | 11th Armored Division |
| 82d Armored Medical Battalion | 12th Armored Division |
| 83d Armored Medical Battalion | 13th Armored Division |
| 84th Armored Medical Battalion | 14th Armored Division |
| 102d Medical Battalion | 27th Infantry Division |
| 103d Medical Battalion | 28th Infantry Division |
| 104th Medical Battalion | 29th Infantry Division |
| 105th Medical Battalion | 30th Infantry Division |
| 106th Medical Battalion | 31st Infantry Division |
| 107th Medical Battalion | 32d Infantry Division |
| 108th Medical Battalion | 33d Infantry Division |
| 109th Medical Battalion | 34th Infantry Division |
| 110th Medical Battalion | 35th Infantry Division |
| 111th Medical Battalion | 36th Infantry Division |
| 112th Medical Battalion | 37th Infantry Division |
| 113th Medical Battalion | 38th Infantry Division |
| 114th Medical Battalion | 26th Infantry Division |
| 115th Medical Battalion | 40th Infantry Division |
| 116th Medical Battalion | 41st Infantry Division |
| 118th Medical Battalion | 43d Infantry Division |
| 119th Medical Battalion | 44th Infantry Division |
| 120th Medical Battalion | 45th Infantry Division |
| 121st Medical Battalion | Americal Division |
| 122d Medical Battalion | 42d Infantry Division |
| 216th Armored Medical Battalion | 16th Armored Division |
| 220th Armored Medical Battalion | 20th Armored Division |
| 221st Airborne Medical Company | 11th Airborne Division |
| 222d Airborne Medical Company | 13th Airborne Division |
| 224th Airborne Medical Company | 17th Airborne Division |
| 301st Medical Battalion | 76th Infantry Division |
| 302d Medical Battalion | 77th Infantry Division |
| 303d Medical Battalion | 78th Infantry Division |
| 304th Medical Battalion | 79th Infantry Division |
| 305th Medical Battalion | 80th Infantry Division |
| 306th Medical Battalion | 81st Infantry Division |
| 307th Airborne Medical Company | 82d Airborne Division |
| 308th Medical Battalion | 83d Infantry Division |
| 309th Medical Battalion | 84th Infantry Division |
| 310th Medical Battalion | 85th Infantry Division |
| 311th Medical Battalion | 86th Infantry Division |
| 312th Medical Battalion | 87th Infantry Division |
| 313th Medical Battalion | 88th Infantry Division |
| 314th Medical Battalion | 89th Infantry Division |
| 315th Medical Battalion | 90th Infantry Division |
| 316th Medical Battalion | 91st Infantry Division |
| 317th Medical Battalion (Cld) | 92d Infantry Division (Cld) |
| 318th Medical Battalion (Cld) | 93d Infantry Division (Cld) |
| 319th Medical Battalion | 94th Infantry Division |
| 320th Medical Battalion | 95th Infantry Division |
| 321st Medical Battalion | 96th Infantry Division |
| 322d Medical Battalion | 97th Infantry Division |
| 323d Medical Battalion | 98th Infantry Division |
| 324th Medical Battalion | 99th Infantry Division |
| 325th Medical Battalion | 100th Infantry Division |
| 326th Airborne Medical Company | 101st Airborne Division |
| 327th Medical Battalion | 102d Infantry Division |
| 328th Medical Battalion | 103d Infantry Division |
| 329th Medical Battalion | 104th Infantry Division |
| 331st Medical Battalion | 106th Infantry Division |
| 363d Medical Battalion | 63d Infantry Division |
| 365th Medical Battalion | 65th Infantry Division |
| 366th Medical Battalion | 66th Infantry Division |
| 369th Medical Battalion | 69th Infantry Division |
| 370th Medical Battalion | 70th Infantry Division |
| 371st Medical Battalion | 71st Infantry Division |
| 375th Medical Battalion | 75th Infantry Division |
| 676th Medical Collecting Company | First Airborne Task Force (Provisional Seventh United States Army Airborne Division) |

Shoulder Sleeve Insignia of the 29th, 30th, 9th, and 3d Infantry Divisions.
Remark: Other Medical units were equally attached to specific United States Armies, either for individual campaigns only, or for the entire duration of the war.
List of typical Medical organizations:
- Aid Station
- Aid Station Squad
- Airborne Medical Company
- Auxiliary Surgical Group
- Battalion Aid Station
- Blood Transfusion Unit
- Clearing Station
- Collecting Station
- Company Aid Squad
- Convalescent Hospital
- Evacuation Hospital
- Field Hospital
- General Hospital
- Hospital Center
- Hospital Ship
- Hospital Train
- Litter Bearer Squad
- Medical Air Evacuation Squadron
- Medical Air Evacuation Transport Squadron
- Medical Ambulance Company
- Medical Base Depot
- Medical Base Depot Company
- Medical Battalion
- Medical Clearing Company
- Medical Collecting Company
- Medical Collecto-Clearing Company
- Medical Demonstration Platoon
- Medical Department
- Medical Depot
- Medical Depot Company
- Medical Detachment
- Medical Equipment Laboratory
- Medical Field Service Training School
- Medical Gas Treatment Battalion
- Medical General Laboratory
- Medical Group
- Medical Hospital Ship Company
- Medical Hospital Ship Complement
- Medical Hospital Ship Platoon (Separate)
- Medical Supply Depot
- Medical Supply Depot Company
- Medical Regiment
- Medical Replacement Training Center
- Medical Training Regiment
- Medical Sanitary Company
- Medical Supply Section
- Motor Ambulance Company
- OCS Medical Administrative School
- Optical Repair Detachment
- Optical Repair Section
- Station Hospital
- Surgical Hospital
- Venereal Disease Diagnostic & Treatment Center
- Venereal Disease Hospital
- Veterinary Company
- Veterinary Evacuation Detachment
- Veterinary Hospital
- Veterinary Station
WW2 Campaigns and Dates:
The following list shows WW2 campaigns and the date associated with them:
North African Campaigns:
EGYPT & LIBYA > 11 June 1942 – 12 February 1943
ALGERIA & FRENCH-MOROCCO > 8 November 1942 – 11 November 1942
TUNISIA > 17 November 1942 – 13 May 1943

A GI looks out over the tents and vehicles of the 48th General Hospital, situated in Germany. This photograph, taken in 1945 shows the stowage of camouflage net on the roof of a WC54 Ambulance seen through the ruined building.
European Campaigns:
AIR OFFENSIVE EUROPE > 4 July 1942 – 5 June 1944
SICILY > 9 July 1943 – 17 August 1943
NAPLES-FOGGIA > 9 September 1943 – 21 January 1944
ANZIO > 22 January 1944 – 24 May 1944
ROME-ARNO > 22 January 1944 – 9 September 1944
NORMANDY > 6 June 1944 – 24 July 1944
NORTHERN FRANCE > 25 July 1944 – 14 September 1944
SOUTHERN FRANCE > 15 August 1944 – 14 September 1944
NORTH APENNINES > 10 September 1944 – 4 April 1945
RHINELAND > 15 September 1944 – 21 March 1945
ARDENNES-ALSACE > 16 December 1944 – 25 January 1945
CENTRAL EUROPE > 22 March 1945 – 11 May 1945
PO VALLEY > 5 April 1945 – 8 May 1945
Pacific Campaigns:

Medics and fellow infantrymen gather round a wounded comrade, and administer plasma to treat the shock of the patient. This illustration was taken in the Philippines in the closing days of the campaign.
PHILIPPINE ISLANDS > 7 December 1941 – 10 May 1942
BURMA > 7 December 1941 – 26 May 1942
CENTRAL PACIFIC > 7 December 1941 – 6 December 1943
EAST INDIES > 1 January 1942 – 22 July 1942
INDIA & BURMA > 2 April 1942 – 28 January 1943
AIR OFFENSIVE JAPAN > 17 April 1942 – 2 September 1945
ALEUTIAN ISLANDS > 3 June 1942 – 24 August 1943
CHINA DEFENSIVE > 4 July 1942 – 4 May 1945
PAPUA > 23 July 1942 – 23 January 1943
GUADALCANAL > 7 August 1942 – 21 February 1943
NEW GUINEA > 24 January 1943 – 31 December 1944
NORTHERN SOLOMONS > 22 February 1943 – 21 November 1944
BISMARCK ARCHIPELAGO > 15 December 1943 – 27 November 1944
EASTERN MANDATES > 31 January 1944 – 14 June 1944
WESTERN PACIFIC > 15 June 1944 – 2 September 1945
LEYTE > 17 October 1944 – 1 July 1945
LUZON > 15 December 1944 – 4 July 1945
CENTRAL BURMA > 29 January 1945 – 15 July 1945
SOUTHERN PHILIPPINES > 27 February 1945 – 4 July 1945
RYUKYUS > 26 March 1945 – 2 July 1945
CHINA OFFENSIVE > 5 May 1945 – 2 September 1945
