“Construimus, Batuimus” “We Build, We Fight”

100th Naval Construction Battalion

Historical Information

8- 749-28-43

10-12-43 12- 9-43

3-14-44 3024-44

4-20-44 I- 9-44 5-29-44 6-24-44 7-26-44

8-11-44

8-11-44

8-29-44 10-31-44 11- 4-44 _

11-15-44 -

~1-16-44

12-13-44

NOTC ABD Read;r Date Left A.l3D Location

__ _ ~~ U • aN'¥ .=.-,,;;;...........___.. .......-M. ............... ....:-....a-.-~ ~.____""'-...... - - ----- .;: -. ~ ,.,lOOth O.B.

Pearr Hueneme 14 Sep l 43 24 Nov'43 . rAeom-.aE>--MM.al.i-l-h-~~ OelaLe;rte-Samar

IDG

:Budocks reqc.ests tra.nsler ·ot 1!fcr"l'OOth OB to Gulfport J'J'A Hueneme on 14 Aug I 43.

(Judocks ltr to CDO dtd 7 Aug143)

VeNO orders transfer of lOOth OB about .2 Oct to ABD Hueneme. Assigned Acorn 18.

(Conf. Disp. 291849 NCR 3522 from OBO to ABO HUeneme)

lOOth C:B assigned ACorn 20. (Conf. disp. 121900 BCR 5835 tram CND to addressees)

100th C:B left for embarkation oint 24 Bov l 43. BBD)

lOOth C]3 loceted in Marshall Is. Yeo. Wolt from a Becret disp.) 100th C]3 located at MaJuro,

Cincpoa)

1 Marl ~ r!port of lOOth C.B

1 Apr'44 report of 100th 0]3

1 May'44 report of lOOth CJ3

1 Jun'44 report of lOOth CJ3

1 Jul'44 report of CJ3MU 591

Majuro) 18 Jun l 44.

,I Jul'44 rel?2rt of 100th CB

MarBhalla. (Comairpac Bec. disp. 221904 MJ.R144 to

-----

-

OJ?~rat1!lR at MaJuro, Marshalls.

operatiJlg at MaJuro. Marshalls.

operating at Majuro.

operating at Marshalla - awaiting transportation.

This CBMU relieved the lOOth CB of operations'at

arrived 'in P.R. area the first few ~B of Jul ' 44. s

._._.. --------------------------------_._----

_ ..... _ ... -.,..c.:: ... ..;.

100th C.B.

Officers and men of lOOth CB reported 2nd Brig. ':5 Jul'44. Ordered b;r 2nd Brig to r ~ort to 8th Reg. for dut;r. (OinC 2nd Brig 1tr 2NCBr-06-HCB/lk: over P16-4 •

dtd 12 Jul'44 to Comdr. CaVin)

~ Allg~~~ reEort of lOOth CB - op!!:at 1ng at Oahu•..

i ~~~:: ~:~~~: ~~ igg:~ g~ - opera:ing at Oahu. - Report endorsed by 8th Reg.

by 33rd Reg. - operr: ng on Aahu and J'o rd Island. Report endorsed

The 100tn CB is aSSigned to the 33rd Reg.(Comserforpacflt Sec. Itr 55-CKW!apk over Sere 001008 to aNO dtd 4 Nov'~). ..

The 100th CB is located at Pearl Hbr. (Com 14 Sec. dlsp to CllO 062243 NCR 15886

dtd 11 Nov'44). ..

1 Nov'44 report of lOOth CB - Report endorsed b7 33rd Beg. and KABCB. 20 I118n from this Batt are on temporAr;y dut;r with pontoon detachmentA.

1-16-4p - 1 Dec l 44 report of the 33rd Regiment - The Pontoon Detachment of the lOOth ~, consisting of 1 officer and 17 men returned to duty with the battalion on 13 Nov••

1-17-45 - 1 Dec'44 report of the lOOth C13 - Location not stated. Report endorsed by 33rd Ree., 7th Brg., H.A.B.

1-30-45- - 1 Jan'45 report of 100th 013 - Location not stated. Repcrt endorBed by 33rd Reg. 2-13-45 7th Erg. Sec. ltr Sere 0014 to OinC lOOth CB dtd 25 Jan'45 - ordered to proceed on

ships to A. verb~lly designated. ,place in the Pacific area. Upon c.rrival to report I.. t.9 the 33rd_R..g. for duty. '

2-13-45 -- Tlle lOOth as is availab1ft from Pearl for Semar.(CNO Sec. ltr to distribution list Sere 002~9230 dtd 3 Feb'45). .. I

2-13-45 -- Com9~rv7flt desires to lift the lmOth as from Pearl in Feb or e~rly Mert45.(Comge~7flt Sec. dis!> 061001 to Com7flt dtd· 8 Feb'45). r

l I

.. -_...- ~-------- ..... , ' ...... r

LO~.!.1;iO;-:*.-· -Leyte~samar--- --- ---. "it)Oth CD

,.~

2-17-45 - The lOOth CB is located at hP-.rl Bbr.(Oom 14 Sec. disp··to CUO 08101S·Yeb l 45). . 2-36-45 - 1 Peb'45 report ot the lOOth 015 - located. wlth'lWlCB ana. 33rd. Reg1ment~ .- .. 3-20-45 - ,he lOOth aB i8 to be lined. 1!l'D 30 JCar'45 trOll Pearl to Samar" (a!nepoa P.Sec

D1ap to ClIO 180241 Kar' 45) .. '.. 4-25-45 - looth OB included 1n list of units deleted. from l4HD. (00m14 Sec Airma1lgram lOR

13634 to ONO dtd 10 Apr' 45) . 4-30-45 - 00mserf'or1flt Sec Rep of 1 Apr'45 ahowa the lOOth OB &rdered from P.H. to Lene-

Samar area. . _.... . . . . - . 5- 8-45 - fhe looth O:a 1s shown locat~d =t "I':mar OIl ti1e:-Dirpacdock8 8.1. Sec rep of 15 Apr. &-11-45 - 1 4S o~ lOOth as - located at- ....... ·S.··•• tIl lOOth OB &rriYed

laaIzrI'beiDg enroute ao' 45 to·a1- JIg urout.

. to E ort. routed Y1a g.

1f11.-4S - 1 JIa1" t 45 report of 83r4 ltec. --Oo.uleAtl r. mth .. lOOth ala. 20th CB preparlzlg for

forward a09'__t.

8-17-41S - 1 Mar 48 report of lOOth em - locatlcm. DOt &1Y" lDOUl CB ••aure4 ~roa all GOa8trc' ~m 4'Dr1Dc Jleb'4f5. Ieport _4 'bJ' Ud J.ec .. 'th :Brie.. >

5-19-18 - 1 """45 report of 33r4 .leg - lOOth QI arr1.,.4 48at1u.tloa oa 17 Apr l 4S. 5-2:d-45 - 1 Apr'45 report of the looth O:a - 2l. of-:. and 565 men embarked from Honolulu on

20 Mar'45; 6 off. and 230 men embarked from Honolulu on 26 Mar'45. (On17 Item 4

rec'd of this report)

5-23-45 - The 100th O!I reported. to the 32nd Reg. on 24 Apr'45. (2nd end. to 7th l3rg oonf ltr eer e92 dtd al Apr'45 b,. 32nd Reg) .

6-15-45 _ t Jun' 45 rel?ort ot the 100th O::B - located at Leyte-Samar. Report via 32nd Beg ana. 7tH :arg.

7-20-45 - 1 Jul'45 report of the looth 01; - located at LeTta-Samar. Report Via 32nd Reg

and 7th :arg.

---. --.-->~-~ ." . ,. --- - ..

Location - Lerle-Samar lOOth e,B._

7-G7-45 - The lOOth CB is attached to the 32nd Reg and 7th l3rg. Samar ,

erecti cam 81te t BElvel a.mmu.nit10n de t t an ass 8 hos-oita.1 at Mercedes. CCT 7th llt Sec rep for June

«3-1:3-45 - Tli'e-l00th C13 is in the 32nd Reg and 7th l3rg. (Com7flt con! report on C:S organize.t ion in Leyte-Samar area ser 04296 dtd 26 Ju17 to ONO)

8-14-45 - 1 Aug' 45 report of the looth 01; - located at the !lAD in the Leyt e-Samar area• .asport vie. the 32nd Reg and 7th :arg.

9-19-45 _ 1 3ept '45 report of 100th C13 - located in Leyte-Samar area. Rapo rt vie. 32nd Reg. Ci: 7th Brig.

10-18-45 _ 1 Oct' 45 report ot lOath 013 - located 1n Samar area. Report Tie. 32nd Reg. & 7th Brig. 50 men transferred to U. S. tor d1 scharge. 150 Ilen transferred to other units. On Sa t. 19th OBMU 553 was ordered to dut with lOOth OB.

11-14-45 _ All pers. of 99th l3-have been transterre on ~ c 0 l3. (OinO. 99th Cl3 ltr dtd 1 Nov'45 to Direastpacdocka).

11-~..1-45 _ ~..Nt;lv''!P r~'pqnwof 100th C::B - located in Samar area. Report via 32nd Reg. &: and Brig.

12-7-45 _ Comservpac reqs Comphi1seefron to inactivate lOath CB. (Comservpac restr disp 060115 Dec l 45 to Oomphi1see.fron).

1-3-46 - 1 Dec'45 report of lOath C:s - location not stated. Report via 7th Brig. lOOth CB in the process of ine.ctivation, &hld be complet.d on or about 7 Dec'45.

2-5-46 _ lOath C::B renortAd 1nactivatBd since 31 Dec'45. (Comservpac 012101 ?eb 146 disp to BUPersT:·----~-»' .> >-.

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....,; ~-""-~. -~--- ..---~ _ - .. -------~ .......................

Olf BOAlID

DAD-

30 J\m'44 1 Aug'44 1 Sept4;;; 1 Oct'44 1 llov'44 1 Dee'44 1 Jan'45

11'Wr~~ 1 .Ma;r'45

IJUZl'45 I Jul'45 1 A:ug 145 1 Sept l 45 1 Oet '45 1 Nov'45 1 Dec l 45

OmCD.S

28

28

27

26

.....~ ...

26

?;27

2? 31 31 28

23

23

22

10

!II 975

1025 1022 972 924 891 857

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7.96

'198 8>9

759 778 532 890 159

AtJmORI!l'Y

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Moll MoB

J40B.

MoB.

MP~No MoR DP625_ :BIPS25111 mfS25 &I B BNP625 &: R DP625 &: R:.a&P625 8; R BNP625 &I II

l00th OOBstruction Battalion (nrAC:;:'!VA:"'7.:D --_.._

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lOOTH BATTALION Reflecting the growing ,might of' the

Seabees, the lOOth "Century" Battalion was commissioned July 1, 1943 at Camp Peary, and thereafter moved to Gulfport and Hueneme before sailing for overseas Nov. 21. Arriving at Pearl Harbqr, the 100th lingered only for six weel~s b~fore -moving on to Majuro Atoll, Marshallc Islands. The unit left Majuro and returned to Pearl Harbor July 5, 1944. One officer and 17 men were sent on temporary duty -with a pontoon detachment for the Angaur invasion invasion in the Palau ,Islands. In March 1945, the lOOth left Pearl Harbor and landed at Guiuan, Samar Island in the Philippines,. and remained through the end of the war.

Subject: It1nal'"'.l17 of lOOth l-iaval COllstructioll Battalion.

Reterence: (a) QS9·.?el's 2122C .. CEC/l:l.m.k t dated liay 2, 1945.

1. In accordance with request contained in reference (8.) the tollO'lrlng itinerary covering the movements ot this battalion since co~ssion1ng is tOr.'tarded. . ".

20 ItinerarJ is certified to be correct in accordance with orders and data contained in the tiles of the battalion.

3. It1nera1'Y ot lOOth Naval Con.struction Eattalion.

lull 1, 1943 Aug. 14, 1943 Oct. 2, 1943 Nov. 20, 1943 Nov. 21, 1943 Dec. 1, 1943 la.n. 20, 1944

Jan. 23, 1944

Feb. 1, 1944Feb. 3, 1944 luna 28, 1944 luly " 1944 luly 25, 1944

Nov. 13, 1944 Mar. 20, 1945 Mar. 26, 1945 Apr. 19, 1945 Apr. 26, 1945

Battalion fonned at NOTe, Ce..'ll.P Pes?y'. Transferred to .ABD, Gu.li'port, Fl--rr, Port Hueneme. Transferred to ..\BD, Port Ruene:::le. Departed tro2 Port Huen~e tor ~barkation Point. Sailed trom United States. Arrived Iroquois POint, Oahu, T. H. 1st Eoaelon sailed frc~ Iroquois POint, Oahu, T. lie 328 offioers and men. 2nd Echelon sailed from Iroquois Point, Oahu, T. lie 684 officers and men. 1st Echelon arrived Uajuro Atoll, Marshall Islands. 2nd ~chelon arrivad ~sjuro Atoll, Mar$hall Islands. Departure fro~ hlajuro. Arrival at Pearl Harbor. 1 officer and 17 men on te~porary duty with pontoon detachment serving at F~guar, Pslelieu Islands. Pontoon detac~ant rejoined battalion~ 1st Sohelon left Foarl Harbor with 686 officers and nen. 2nd Echelon lett Pearl Harbor ~~th 236 officers and men. 1st Echelon landed Guiua!l, Sru:ar Philippine Islands. 2nd Zc~elon landed Gui~an. S~r Philippin~ Islands.

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