| Chemical Unit Designation |
Date
Activated |
Training |
Overseas Service |
Inactivation or Disbandment |
Conversion or Redesignation |
| From |
To |
Place |
From |
To |
Theater |
Date |
Place |
Date |
Comments |
| Co A, 1st Chemical Battalion |
30.04.31 |
30.04.31 |
12.03.42 |
Schofield Barracks, TH |
30.04.31 |
12.03.42 |
Hawaii |
|
|
24.02.20 |
Activated as 2nd Chem Co (Sep) |
| |
|
|
|
|
|
|
|
|
|
12.03.42 |
Redesignated 91st Chem Co (Mot) |
| Co A, 2nd Chemical Battalion |
16.04.35 |
16.04.35 |
16.01.42 |
Edgewood Arsenal, Md. |
|
|
|
|
|
|
|
| |
|
17.01.42 |
09.07.42 |
Fort Bragg, NC |
|
|
|
|
|
01.01.42 |
Redesignated as 2nd Chemical Battalion (Mot), and the remaining companies activated. |
| |
|
10.07.42 |
21.02.43 |
Carolina Maneuver Area |
|
|
|
|
|
31.12.44 |
Redesignated Chemical Mortar Battalion |
| |
|
21.02.43 |
24.05.43 |
Camp Pickett, Va. |
08.06.43 |
05.07.43 |
NATO |
|
|
|
|
| |
|
|
|
|
10.07.43 |
04.08.44 |
MTO |
|
|
|
|
| |
|
|
|
|
15.08.44 |
26.07.46 |
ETO |
26.07.46 |
Germany |
|
|
| 3rd Chemical Battalion |
01.01.42 |
01.01.42 |
03.04.42 |
Fort Benning, Ga. |
|
|
|
|
|
24.11.43 |
Redesignated Chemical Battalion (Mot) |
| |
|
07.04.42 |
28.07.42 |
Fort Bliss, Tex. |
|
|
|
|
|
11.03.45 |
Redesignated Chemical Mortar Battalion |
| |
|
30.07.42 |
25.10.42 |
Louisiana Maneuver Area |
|
|
|
|
|
|
|
| |
|
27.10.42 |
16.04.43 |
Fort Belli, Tex. |
28.04.43 |
10.07.43 |
NATO |
|
|
|
|
| |
|
|
|
|
10.07.43 |
15.08.44 |
MTO |
|
|
|
|
| |
|
|
|
|
15.08.44 |
02.01.46 |
ETO |
02.01.46 |
Camp Patrick Henry, Va. |
|
|
| 71st Chemical Battalion |
21.11.44 |
21.11.44 |
24.11.44 |
Camp Steward, Ga. |
|
|
|
|
|
20.11.42 |
Activated as 479th CA Bn (Sep) |
| |
|
25.11.44 |
07.07.45 |
Camp Shelby, Miss.. |
12.07.45 |
17.01.46 |
SWPA |
|
|
30.04.43 |
Redesignated as 479th AA AW Bn |
| 72nd Chemical Battalion |
07.12.44 |
07.12.44 |
01.12.44 |
Fort Leonard Wood, Mo. |
|
|
|
|
|
10.04.43 |
Activated as 560th CA Bn (Sep) |
| |
02.12.44 |
02.12.44 |
01.06.45 |
Camp Shelby, Miss. |
06.06.45 |
18.04.46 |
MIDPAC |
|
|
01.04.44 |
Redesignated 560th AAA AW Bn |
| 80th Chemical Battalion |
30.06.44 |
30.06.45 |
15.01.45 |
Camp Swift, Tex. |
27.01.45 |
30.01.46 |
SWPA |
01.02.46 |
Camp Stoneman, Calif. |
04.03.45 |
As Chemical Mortar Battalion |
| 81st Chemical Battalion |
25.04.42 |
24.04.42 |
02.04.43 |
Fort D.A. Ruell, Tex. |
|
|
|
|
|
22.02.45 |
As Chemical Mortar Battalion |
| |
|
04.04.43 |
04.05.43 |
Louisiana Maneuver Area |
|
|
|
|
|
|
|
| |
|
07.05.43 |
10.06.43 |
Camp Gordon Johnston, Fla. |
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|
|
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|
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|
| |
|
12.06.43 |
31.07.43 |
Camp Pickett, Va. |
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| |
|
31.07.43 |
09.08.43 |
Camp Bradford, VA. |
|
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|
|
|
|
|
| |
|
09.08.43 |
14.10.43 |
Camp Pickett, Va. |
22.10.43 |
02.09.45 |
ETO |
07.11.45 |
Fort Leonard Wood, Mo. |
|
|
| 82nd Chemical Battalion |
25.04.42 |
25.04.42 |
08.03.43 |
Fort Bliss, Tex. |
|
|
|
|
|
16.03.45 |
As Chemical Mortar Battalion |
| |
|
10.03.43 |
25.04.43 |
Louisiana Maneuver Area |
|
|
|
|
|
|
|
| |
|
26.04.43 |
12.06.43 |
Camp Swift, Tex. |
28.06.43 |
1946 |
SWPA |
—
| in Japan |
|
|
| 83rd Chemical Battalion |
10.06.42 |
10.06.42 |
10.04.43 |
Camp Gordon, Ga. |
28.04.43 |
05.07.43 |
NATO |
|
|
31.12.44 |
As Chemical Mortar Battalion |
| |
|
|
|
|
10.07.43 |
12.08.44 |
MTO |
|
|
|
|
| |
|
|
|
|
15.08.44 |
25.11.45 |
ETO |
26.11.45 |
Boston, Ma. |
|
|
| 84th Chemical Battalion |
05.06.42 |
05.06.42 |
18.04.43 |
Camp Rucker, Ala. |
28.04.44 |
01.01.44 |
NATO |
|
|
08.11.44 |
As Chemical Mortar Battalion |
| |
|
|
|
|
08.01.44 |
25.09.45 |
MTO |
25.09.45 |
Italy |
|
|
| 85th Chemical Battalion |
05.06.43 |
05.06.43 |
02.12.43 |
Fort D.A. Ruell, Tex. |
|
|
|
|
|
17.12.44 |
As Chemical Mortar Battalion |
| |
|
02.12.43 |
01.07.44 |
Camp Swift, Tex. |
28.07.44 |
31.05.46 |
SWPA |
31.05.46 |
Philippines |
|
|
| 86th Chemical Battalion |
17.05.43 |
17.05.43 |
11.04.44 |
Camp Swift, Tex. |
14.04.44 |
10.07.45 |
ETO |
—
| At Camp Campbell, Ky. |
15.02.45 |
As Chemical Mortar Battalion |
| 87th Chemical Battalion |
22.05.43 |
22.05.43 |
31.01.44 |
Camp Rucker, Ala. |
|
|
|
|
|
26.04.45 |
As Chemical Mortar Battalion |
| |
|
03.02.44 |
24.03.44 |
Tennessee Maneuver Area |
31.03.44 |
02.08.45 |
ETO |
06.11.45 |
Fort Benning, Ga. |
|
|
| 88th Chemical Battalion |
29.05.43 |
29.05.43 |
01.02.44 |
Camp Rucker, Ala. |
|
|
|
|
|
15.02.45 |
As Chemical Mortar Battalion |
| |
|
02.02.44 |
25.02.44 |
Tennessee Maneuver Area |
|
|
|
|
|
|
|
| |
|
25.02.44 |
16.04.44 |
Camp Rucker, Ala. |
30.04.44 |
28.12.45 |
SWPA |
29.12.45 |
Camp Anza, Calif. |
|
|
| 89th Chemical Battalion |
15.11.43 |
15.11.43 |
05.04.44 |
Camp Roberts, Calif. |
|
|
|
|
|
17.12.44 |
As Chemical Mortar Battalion |
| |
|
08.04.44 |
25.09.44 |
Camp Carson, Colo. |
|
|
|
|
|
|
|
| |
|
20.09.44 |
16.11.44 |
Camp Gruber, Okla. |
02.12.44 |
05.07.45 |
ETO |
29.10.45 |
Fort Jackson, SC |
|
|
| 90th Chemical Battalion |
10.02.44 |
10.02.44 |
15.10.44 |
Fort Bragg, NC |
|
|
|
|
|
03.12.44 |
As Chemical Mortar Battalion |
| |
|
16.10.44 |
22.10.44 |
Camp Kilmer, NJ |
22.10.44 |
06.07.45 |
ETO |
20.02.45 |
Fort Jackson, SC |
|
|
| 91st Chemical Battalion |
15.02.44 |
15.02.44 |
03.04.44 |
Camp Robinson, Ark. |
|
|
|
|
|
22.02.45 |
As Chemical Mortar Battalion |
| |
|
04.04.44 |
01.10.44 |
Camp Swift, Tex. |
11.10.44 |
10.07.45 |
ETO |
—
| At Fort Lewis, Wash. |
|
|
| 92nd Chemical Battalion |
09.02.44 |
09.02.44 |
17.06.44 |
England |
09.02.44 |
03.08.45 |
ETO |
27.10.45 |
Camp S.L. Obispo, Calif. |
15.12.44 |
As Chemical Mortar Battalion |
| 93rd Chemical Battalion |
24.03.44 |
24.03.44 |
19.08.44 |
Camp Rucker, Ala. |
|
|
|
|
|
18.11.44 |
As Chemical Mortar Battalion |
| |
|
19.08.44 |
25.08.44 |
Fort Benning, Ga. |
|
|
|
|
|
|
|
| |
|
25.08.44 |
03.10.44 |
Camp Rucker, Ala. |
|
|
|
|
|
|
|
| |
|
04.10.44 |
16.10.44 |
Camp Sibert, Ala. |
|
|
|
|
|
|
|
| |
|
17.10.44 |
09.01.45 |
Camp Shelby, Miss. |
18.01.45 |
04.07.45 |
ETO |
20.10.45 |
Fort Bragg, NC |
|
|
| 94th Chemical Battalion |
24.03.44 |
24.03.44 |
10.04.44 |
Fort Jackson, NC |
|
|
|
|
|
11.01.45 |
As Chemical Mortar Battalion |
| |
|
11.04.44 |
12.08.44 |
Camp Rucker, ALa. |
|
|
|
|
|
|
|
| |
|
12.08.44 |
18.08.44 |
Fort Benning, Ga. |
|
|
|
|
|
|
|
| |
|
18.08.44 |
29.08.44 |
Camp Rucker, ALa. |
|
|
|
|
|
|
|
| |
|
30.09.44 |
19.10.44 |
Camp Shelby, Miss. |
|
|
|
|
|
|
|
| |
|
20.10.44 |
10.11.44 |
Camp Sibert, Ala. |
|
|
|
|
|
|
|
| |
|
11.11.44 |
22.12.44 |
Camp Shelby, Miss. |
21.01.45 |
13.07.45 |
ETO |
05.11.45 |
Camp Shelby, Miss. |
|
|
| 95th Chemical Battalion |
01.04.44 |
01.04.44 |
19.10.44 |
Camp Polk, La. |
|
|
|
|
|
14.11.44 |
As Chemical Mortar Battalion |
| |
|
20.10.44 |
06.11.44 |
Camp Chaffee, Ark. |
|
|
|
|
|
|
|
| |
|
07.11.44 |
10.01.45 |
Camp Polk, La. |
18.01.45 |
06.07.45 |
ETO |
19.12.45 |
Camp Shelby, Miss. |
|
|
| 96th Chemical Battalion |
01.04.44 |
01.04.44 |
08.11.44 |
Camp Livingston, La. |
|
|
|
|
|
11.01.45 |
As Chemical Mortar Battalion |
| |
|
10.11.44 |
22.11.44 |
Camp Swift, Tex. |
11.02.45 |
13.02.46 |
ETO |
14.02.46 |
Camp Kilmer, NJ |
|
|
| 97th Chemical Battalion |
05.05.44 |
05.05.44 |
05.12.44 |
Ft. Leonard Wood, Mo. |
|
|
|
|
|
16.02.45 |
As Chemical Mortar Battalion |
| |
|
09.12.44 |
17.01.45 |
Camp Gruber, Okla. |
03.02.45 |
06.07.45 |
ETO |
23.11.45 |
Camp Polk, La. |
|
|
| 98th Chemical Battalion |
24.06.44 |
24.06.44 |
25.12.44 |
Buna, New Guinea |
24.06.44 |
24.12.44 |
SWPA |
26.12.46 |
Camp Anza, Calif. |
18.12.41 |
Raised as 641st TD Bn |
| |
|
|
|
|
|
|
|
|
|
20.03.45 |
Redesignated as 98th Chem Mortar Bn |
| 99th Chemical Battalion |
28.08.44 |
28.08.44 |
20.11.44 |
Italy |
28.08.44 |
20.11.44 |
MTO |
|
|
31.12.44 |
As Chemical Mortar Battalion |
| |
|
|
|
|
24.11.44 |
06.07.45 |
ETO |
18.10.45 |
Camp Chaffee, Ark. |
|
|
| 100th Chemical Battalion |
30.08.44 |
30.08.44 |
02.11.44 |
Italy |
30.08.44 |
12.10.45 |
MTO |
13.10.45 |
Camp M. Standish, Mass. |
15.11.44 |
As Chemical Mortar Battalion |
| 443rd Chemical Battalion |
01.07.45 |
01.07.45 |
22.09.45 |
Camp Hood, Tex. |
—
| |
|
22.09.45 |
Camp Hood, Tex. |
22.09.45 |
Activated as 443rd FA Bn (Mot) |
| 483rd Chemical Battalion |
01.07.45 |
01.07.45 |
22.09.45 |
Camp Hood, Tex. |
—
| |
|
22.09.45 |
Camp Hood, Tex. |
22.09.45 |
Activated as 483rd FA Bn (Mot) |
| 534th Chemical Battalion |
05.07.45 |
01.07.45 |
08.09.45 |
Camp Gruber, Tex. |
—
| |
|
08.09.45 |
Camp Gruber, Tex. |
16.10.44 |
Activated as 534th FA Bn (Mot) |
| 537th Chemical Battalion |
05.07.45 |
01.07.45 |
08.09.45 |
Camp Gruber, Tex. |
—
| |
|
08.09.45 |
Camp Gruber, Tex. |
16.10.44 |
Activated as 537th FA Bn (Mot) |
| 560th Chemical Battalion |
09.07.45 |
09.07.45 |
22.08.45 |
Fort Bragg, NC |
—
| |
|
22.09.45 |
Fort Bragg, NC |
25.09.44 |
Activated as 560th FA Bn (Mot) |
| 781st Chemical Battalion |
05.07.45 |
05.07.45 |
08.09.45 |
Camp Bowie, Tex. |
—
| |
|
08.09.45 |
Camp Bowie, Tex. |
16.02.42 |
Activated as 1st Bn, 30th CA Rgt |
| 782nd Chemical Battalion |
05.07.45 |
05.07.45 |
08.09.45 |
Camp Bowie, Tex. |
—
| |
|
08.09.45 |
Camp Bowie, Tex. |
16.02.42 |
Activated as 2nd Bn, 244th CA Rgt |
| |
|
|
|
|
|
|
|
|
|
05.06.44 |
Converted to 889th CA Bn |
| |
|
|
|
|
|
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|
|
|
17.08.44 |
Converted to 782nd FA Bn |
