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HEADQUARTERS
3d Antitank Battalion (Rein)
3d Marine Division,  (Rein)  FMF
FPO San Francisco 96602
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                                                                                                                                                                Ser:  070-66
                                                                                                                                                                10 July 1966

CONFIDENTIAL

From:               Commanding Officer
To:                      Commanding General, 3d Marine Division  (Rein), FMF

Subj:                 Command Chronology

Ref:                    (a)          MCO 5750.2
                              (b)          DivO 5750.1

Encl:                    (1)          Command Chronology
                               (2)          Staff Journals
                               (3)          SITREPS

1.   In compliance with the references, enclosures  (1)  through  (3)  are
submitted.


                                                                                                              (Signature)
                                                                                                              BRUCE A. HEFLIN














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PART I

1.          Reporting unit - 3d Antitank Battalion, 3d Marine Divisio, FMF

2.          Period covered - 1 - 30 June 1966

3.          Date of submission - 10 July 1966

4.          Commanding Officer - 1 - 30 June 1966
                                                               Lieutenant Colonel Bruce A. HEFLIN, USMC

5.          Command Post - Republic of South Vietnam (AT987711)  Map AMS
                                                   Series l 701, Sheet No. 6659 III.
















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PART II

1.          Operational Data, including attachments:

             a.            Designation/Location

                              (1)          Headquarters and Service Co  (-)                              (DANANG TAOR)
                              (2)          Co "A"                                                                                     (DANANG TAOR)
                              (3)          Co "B"                                                                                     (PHU BAI TAOR)
                              (4)          Co "C"                                                                                     (DANANG TAOR)
                              (5)          Co "A"  (-),  1st ATBn                                                     (DANANG TAOR)

             b.            Period covered by report:   1-30 June 1966

             c.            Name/Rank of Commanding Officer and Staff, and principle sub-
ordinates, including T/O billet assignment.

BATTALLION HEADQUARTERS

Commanding Officer...................................................................LtCol B. A. HEFLIN
Executive Officer........................................................................Maj E. H. GRAHAM
S-1/Adj.........................................................................................2ndLt G. DOHSE
S-2................................................................................................Maj E. R. LARSON
S-3................................................................................................Maj E. R. LARSON
S-3A............................................................................................ Unassigned
Liaison Officer............................................................................Unassigned
S-4...............................................................................................Capt. K. E. SHARFF
Supply Officer.............................................................................2ndLt R. U. BOKELMAN
Motor Transport Officer............................................................1stLt D. L. TAYLOR
                                                                                                                                      (1 - 9 June)
                                                                                                                                      1stLt. H. R. MARWITZ
                                                                                                                                      (10 - 30 Jun)
Ordinance Maintenance Officer................................................GySgt C. P. Mc DONALD
                                                                                                                                      (1 - 6 Jun) and (29-30 Jun)
                                                                                                                                      1stLt S. T. FLYNN
                                                                                                                                      (7 - 28 Jun)
Communications Officer.............................................................2ndLt M. C. SCHROEDER
Medical Officer...........................................................................HMC G. K. LAW, USN

Headquarters and Service Co.  (-)

Commandant...............................................................................1stLt B. M. MATHEWS

Company "A"

Commanding Officer..................................................................Capt. S. R. STEWART

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Executive Officer.......................................................................Unassigned  (1 - 28 Jun)
                                                                                                                                     1stLt S. T. FLYNN
                                                                                                                                     (29-30 Jun)
1st Plt Commander....................................................................SSgt C. E. WEBB
                                                                                                                                     (1-10 Jun)
                                                                                                                                     2ndLt E. A. ROBITAILLE
                                                                                                                                     (11-30 Jun)
2nd Plt Commander...................................................................2ndLt R.W. BERNARD
3d Plt Commander.....................................................................1stLt M.P. KINGSTON

Company "B"

Commanding Officer.................................................................Capt. D. C. SATCHER
Executive Officer......................................................................Unassigned
1st Plt Commander....................................................................2ndLt T. J. MEEHAN
2nd Plt Commander...................................................................1stLt D. J. NOONAN
                                                                                                                                    (1 - 9 Jun)
                                                                                                                                    SSgt A. MAMARIL
                                                                                                                                    (10 - 30 Jun)
3d Plt Commander....................................................................2ndLt M. H. PONDER

Company "C"

Commanding Officer................................................................Capt F. FIRING
Executive Officer.....................................................................1stLt M. M. WOOD
                                                                                                                                   (1 - 10 Jun)
                                                                                                                                   Unassigned
                                                                                                                                   (11 - 30 Jun)
1st Plt Commander...................................................................SSgt R. R. ABRAMOWICZ
                                                                                                                                   (1 - 10 Jun)
                                                                                                                                   2ndLt H. J. RILEY
                                                                                                                                   (11 - 30 Jun)
2nd Plt Commander..................................................................2ndLt A. W. HOOF
3d Plt Commander....................................................................1tLt D. K. CASWELL

Company "A"  (-),  1st ATBn                                                                (chop from 1st MarDiv
                                                                                                                                  to OPCON 3d ATBn.
                                                                                                                                  28 June 1966)

Commanding Officer................................................................Capt G. R. VAN HORN
Executive Officer.....................................................................1stLt G. J. FORBES
1st Plt Commander...................................................................Sgt. J. W. ANDROLOWICZ
3d Plt Commander..................................................................GySgt V. L. STREET



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          d.          Average monthly strength during the period:
                                                                                                    Officers          Enlisted          ENL-Enl
                       3d Antitank Battalion  (Rein)                    22                    322                    12
                       (a)          H&S Company                                   9                    107                      6
                       (b)          Company "A"                                    6                      70                      2
                       (c)          Company "B"                                    3                      73                      2
                       (d)          Company "C"                                    4                      72                      2          
                       (e)          Company "A", 1st ATBn
                                        (ADCON 1st MarDiv)

2.          Sequential listing of significant events

             a.          Personnel and Administration.   During the month there was one
appointment to Warrant Officer, two promotions to First Sergeant, three
to Gunner Sergeant, seven to Staff Sergeant and seven to Sergeant.  The
battalion sent 35 men on R&R.   There were four men medically evacuated
out of country for non-battle reasons.   One man was granted an emergency
leave to CONUS.    There were seven WIA;  in addition to this there were
two men wounded as a result of accidential injury.    There were four
article 15 punishments awarded by Company Commanders, two Summary
Courts-Martial were awarded by the Battalion Commanding Officer.  Three
officers, 84 USMC enlisted and one USN enlisted were transferred during
the month.    The battalion joined four officers and four USMC enlisted
during the same period.   Three members of the battalion were awarded
the Navy Unit Commendation ribbon for participation in Operation
STARLIGHT.    Five Purple Heart medals and five Good Conduct medals were
awarded during the month.    All companies remained on Company Administration
and utilized the Addressograph PAS system.

          b.          Battalion Command Post Activity

                       (1)          Important visitors to the Battalion Command Post during
the month included:

1 June

Mr. Bill COOKE, USAID Representative

6 June

Agriculture Team from QUANG NAM Province, REPUBLIC OF VIETNAM
Colonel T. M. HORNE, USMC, Prospective AC/S,  G-2,  3d MarDiv

15 June

BrigGen L. E. ENGLISH, USMC, ADC 3d MarDiv
BrigGen PLEASANCE, New Zealand Army (Rtd)
Col SPENCE, New Zealand Army (Rtd)

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22 June

Mr. D. BRELIS, NBC-TV, with Crew

29 June

Mr. Bob JONES, Correspondent,  "Hololulu Advertiser"

29 June

Civil Affairs Officers (U. S. Army)  attached to the 3d Marine Regiment

(2)          Red Cross ladies visited the Battalion C.P. on three occasions during
the month to conduct audience participation games in the Enlisted Men's
Club.

          c.          Intelligence.    Information concerning the enemy and terrain was
received from USMACV, IIIMAF, 3d Marine Division, 9th Marines, and HOA
VANG District Headquarters.   On the night of 31 May - 1 June a Viet Cong
courier was shot and killed by a squad sized patrol of the 3d ATBn in
the vicinity of CAM HOA Hamlet (AT983703).    A search of the body
produced seven Viet Cong propaganda document, which were evacuated to
G-2 section, 3d Marine Division for Evaluation.

          d.          Training.   for the month of June was primarily on-the-job training
in all fields.   Class room type was held in Gun Companies on such sub-
jects as:  map and compass, Code of Conduct, NBC and riot control, and
first aid.   Special classes on troop orientation, religion in Vietnam and
operation communications security measures were held.    Headquarters
and Service Company conducted familiarization firing of the M-14 rifle
at the HOA CAM Regional Training Center (AT970713).   Technical
training was continued throughout the month by the Battalion Communications/
Electronics and Ordinance Maintenance Sections.    These sections utilized
the contact team method of instruction down to and including the ONTOS
section level.   The Battalion Motor Transport Section continued the weekly
operation and maintenance school for all wheeled vehicle drivers of
Companies in the DANANG TAOR.   The Battalion sent 25 enlisted men to the
3d Engineer Battalion school on "VC Mines, Booby Traps and U. S. Mines."
In addition to this, 25 enlisted men attended the 3d Engineer Battalion's
school on Field Fortification Training.    One Marine was sent to Okinawa
for training in the Basic Infantry Weapons Repair Course held by the 3d
Force Service Regiment.

          e.          Operations.     The 3d Antitank Battalion continued to provide
general support to the 3d Marine Division in the DANANG and PHU BAI TAORS.
One 1 June the disposition and support rules of the units of the Battalion
were as follows:


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                    (1)          3d Antitank Bn in general support of the 3d Marine Division.

                                  (a)          H&S Co (-)  (Bn CP)  located DANANG TAOR

                                  (b)          Company "A"  in direct support of the 3d Marine Regiment