UNIT NUMERICAL IDENTIFICATION SYSTEM

4th Marine Division WW2 UNIS

Semi circle with 3 numbers =

Regiment, Battalion, Company and a number on top denoting rank

Rank =

1 = Private First Class

2 = Corporal

3 = Sergeant

4 = Lieutenant

5 = Captain

6 = Major

7 = Lieutenant Colonel

8 = Colonel

9 = General

100

100 Division HQ

110 HQ Battalion

111 HQ Company

112 Signal Company

113 MP Company

114 Reconnaissance Company

115 Assault Signal Company

200

200 Division Service Troops

210 Service Battalion

211 HQ Company

212 Service Company

213 Ordnance Company

214 Supply Company

220 Motor Transport Battalion

221 H & S Company

222 Company A

223 Company B

224 Company C

225 Company D

226 Automotive repair Company

228 4th Amphibian Truck Company

230 Medical Battalion

231 H & S Company

232 Company A

233 Company B

234 Company C

235 Company D

236 Company E

300

300 23rd Infantry Regiment

301 H & S Company

302 Weapons Company

310 1st Battalion

311 HQ Company

312 Company A

313 Company B

314 Company C

320 2nd Battalion

321 HQ Company

322 Company E

323 Company F

324 Company G

330 3rd Battalion

331 HQ Company

332 Company I

333 Company K

334 Company L

400

24th Infantry Regiment

(Same format as 23rd Infantry)

500

25th Infantry Regiment

(Same format as 23rd Infantry)

600

600 14th Artillery Regiment

601 H & S Battery

610 1st Battalion

611 H & S Battery 611

612 Battery A

613 Battery B

614 Battery C

620 2nd Battalion

621 H & S Battery

622 Battery D

623 Battery E

624 Battery F

630 3rd Battalion

631 H & S Battery

632 Battery G

633 Battery H

634 Battery I

640 4th Battalion

641 H & S Battery

642 Battery K

643 Battery L

644 Battery M

700

700 4th Engineer Battalion

711 H & S Company

712 Company A

713 Company B

714 Company C

800

800 4th Pioneer Battalion

811 H & S Company

812 Company A

813 Company B

814 Company C

900

900 4th Tank Battalion

911 H & S Company

912 Company A

913 Company B

914 Company C

5th Marine Division WW2 UNIS

Rectangle with 4 numbers = Rank, Regiment, Battalion, Company.

Rank =

1 = Private First Class

2 = Corporal

3 = Sergeant

4 = Lieutenant

5 = Captain

6 = Major

7 = Lieutenant Colonel

8 = Colonel

9 = General

400 = 5th Pioneer Regiment

500 = 5th Engineer Regiment

300 = 13th Artillery Regiment

600 = 26th Infantry Regiment

601 HQ Company

602 Weapons Company

1st Battalion

611 HQ Company

612 Company A

613 Company B

614 Company C

2nd Battalion

621 HQ Company

622 Company D

623 Company E

624 Company F

3rd Battalion

631 HQ Company

632 Company G

633 Company H

634 Company I

700 = 27th Infantry Regiment

(Same format as 26th Marines)

800 = 28th Infantry Regiment

(Same format as 26th Marines)