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HEADQUARTERS
3d Antitank Battalion  (Rein)
3d Marine Division  (Rein),  FMF
c/o  FPO, San Francisco, California, 96601
                                                                                                                                                      3/VAV/cew
                                                                                                                                                      3100
                                                                                                                                                      10 Nov 1965

From:          Commanding Officer
To:              Commanding General, 3d Marine Divison  (Rein), FMF  (Attn:  AsstC/S,G-3)

Subj:           Command Chronology, October 1965;  submission of

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

Encl:           (1)   Journals
                      (2)   SITREPS
                      (3)   Logistics Data

1.          In compliance with reference  (a)  and  (b)  the Command Chronology and
enclosures  (1)  through  (3)  are submitted.


                                                                                                    (Signature)
                                                                                                    BRUCE A. HEFLIN



















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PART I

1.          Reporting Unit - 3d Antitank Battalion  (-)  (Rein)

2.          Period Covered - 1-31 October 1965

3.          Date of Submission - 10 November 1965

4.          Commanding Officer - 1-31 October 1965

                                                               Lieutenant Colonel BRUCE A. HEFLIN

5.          Command Post - Republic of South Vietnam, AT987711 - Map SVN Series
                                                   L701, Sheet No. 6659 III and 6658 IV


















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PART II

1.    Operational Data, including attachments

          a.     Designation/Locations
                    
                    (1)   Headquarters and Service Company (-)  (Command Group)  (Danang TAOR)

                              (a)   Company "A"  (-)  (Rein)                                                  (Danang TAOR)
                                        Third Platoon, Company "A"                                         (Hue Phu Bai TAOR)
                              (b)   Company "B"  (Rein)                                                        (Chu Lai TAOR)
                              (c)   Company "C"  (Rein)                                                        (Danang TAOR)
                              (d)   Company "C"  (-)  (Rein)  1stATBn                          (Chu Lai TAOR)
                                        Second Platoon, Company "C", 1stATBn              (Qui Hhon Headquarters
                                                                                                                                                      Field Forces, Vietnam)

          b.     Period covered by report:   1-31 October 1965

          c.     Name/Rank of Commanding Officer and Staff or principle subordinates,
including T/O billet assignment.

                    BATTALION HEADQUARTERS

                    Commanding Officer                                                               LtCol Bruce A. HEFLIN
                    Executive Officer                                                                      Capt Orville R. EDMONDSON
                    S-1/Adj                                                                                            WO-1 Gunther DOHSE
                    S-2                                                                                                      Capt Vincent A. VERNAY
                    S-3                                                                                                      Capt Vincent A. VERNAY
                    S-3A                                                                                                 Unassigned
                    S-4                                                                                                      Capt Stanley R. STEWART
                    Liaison Officer                                                                           Unassigned
                    Supply Officer                                                                            1stLt Avelino ANDAZOLA
                    Motor Transport Officer                                                      1stLt Daniel L. TAYLOR
                    Ordnance/Maintenance                                                        1stLt Brian M. MATHEWS
                    Communications Officer                                                       MGySgt Robert J. DUNN
                    Medical Officer                                                                          Unassigned

                    Headquarters and Service Company

                    Commandant                                                                                 1stLt C. J. ROONEY
                                                                                                                                             1-16 October 1965
                                                                                                                                   1stLt D. B. HOUSE
                                                                                                                                             17-31 October 1965

                    Company "A"

                    Commanding Officer                                                                Capt Karl E. SHARFF
                    Executive Officer                                                                        Unassigned
                    1st Platoon Commander                                                        2ndLt P. R. MC ALEER
                    2nd Platoon Commander                                                       Sgt Wesley O. PHILLIPS
                    3d Platoon Commander                                                            2ndLt R. H. JAROCH

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                    Company "B"

                    Commanding Officer                                                                 1stLt M. H. CHANG
                    Executive Officer                                                                         Unassigned
                    1st Platoon Commander                                                            1stLt J. T. MATHEWS
                    2nd Platoon Commander                                                         1stLt W. J. MAHER Jr.
                    3rd Platoon Commander                                                            1stLt J. J. MC COY

                    Company "C"

                    Commanding Officer                                                                 1stLt A. G. ANDERSON II
                    Executive Officer                                                                         Unassigned
                    1st Platoon Commander                                                            2ndLt R. D. L'HEUREUX Jr.
                    2nd Platoon Commander                                                        2ndLt E. M. MILLER
                    3rd Platoon Commander                                                         1stLt L. E. WAGONER

                    Company "C", 1stATBn

                    Commanding Officer                                                                 1stLt W.  P. SNYDER
                    Executive Officer                                                                         Unassigned
                    1st Platoon Commander                                                            1stLt H. J. CONNOLLY
                    2nd Platoon Commander                                                         2ndLt H. T. SCHMIT
                    3rd Platoon Commander                                                            2ndLt M. M. WOOD

                    d.     Average Monthly Strength during the period.
                              
                              (1)   3d Antitank Battalion  (-)  (Rein) Officers - 23 - Enlisted - 442

                                        (a)  Headquarters and Service                    
                                                  Company                                                                9                         120
                                        (b)   Company "A"                                                     3                              82
                                        (c)   Company "B"                                                     4                              82
                                        (d)   Company "C"                                                     3                           76
                                        (e)   Company "C", 1st ATBn                           4                              82

2.     Sequential listing of significant events.

          a.   Personnel.   During the month 56 men went on R&R, ten men were
medically evacuated for non-battle reasons, one man was granted Humanitarian
Leave to CONUS, five men went on emergency leave, six men were awarded
Article 15 punishment, 20 men were transferred and 47 men were joined as
replacements.

          b.  Administration.   All Companies were on Company Administration during
this period.   Service Record audits are nearly completed.

          c.   Intelligence.   Information is gained directly from Division
Intelligence Section  (Attn:  Assistant Chief of Staff, G-2), concerning
antimechanized capabilities of enemy forces, i.e. mines, AT weapons, road
and bridge conditions.   Local TAOR Intelligence is obtained from the 9th
Marine Regiment  (S-2).   Intelligence items published by INTELLIGENCE

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SUMMARY peculiar to the AT Battalion are further disseminated to the Ontos
Companies located in the Danang TAOR.   The organic intelligence section of
the Battalion Headquarters is capable of limited intelligence processing.

          d.   Training.   During the reporting period , numerous classes were
conducted throughout the Battalion by H&S Company and the seperate Gun
Companies.   A contact team from LFTU, FMFPac, conducted Wheeled Vehicle
Fording and Water Proofing classes for the members of the Battalion Motor
Transport Section  (note SITREP number 101).   Familiarization firing and
safety regulations of weapons for newly joined personnel was held.   The
majority of training was "on the job training" and principally devoted
to:  Preventive Maintenance, Driver's Training, Communications Procedures,
106mm Recoilless Rifles and .50 Caliber Spotting Rifles.   Special classes
and instructions were given on Interior Guard, "Why we are in Vietnam",
Servicemens Group Life Insurance, Viet Cong Tactics, Field Sanitation,
Mine Warfare and use of Range Cards.   Small arms and vehicle inspections
were also held.   One firex of the ONTOS vehicles was conducted and 89 rounds
of 106mm, 550 rounds of .50 caliber spotting and 2500 rounds of .30 caliber
ammunition were expended.

          e.   Operations.   On 1 October the battalion was deployed as follows:

                    (1)   3d Antitank Battalion  (-)  (Rein) is in general support of the
3d Marine Division.

                              (a)   H&SCo  (-)  (Command Group). located Danang TAOR AT 987711

                              (b)   Company "A"  (-)  (Rein)          in direct support of the 3d Marine
                                                                                                         Regiment (-)
                                        1st Platoon, Co "A"          in direct support of the 1st Battalion,
                                                                                             1st Marines.
                                        2nd Platoon , Co "A"  in direct support of the 2nd Battalion,
                                                                                          3d Marines.
                                        3d Platoon, Co "A"     attached to the 3d Battalion, 4th Marines.

                              (c)   Company "B" (Rein)  attached to the 4th Marine Regiment
                                        1st Platoon,   Co"B"   in direct support of the 1st Battalion,
                                                                                          4th Marines
                                        2nd Platoon, Co"B"    in direct support of the 2nd Battalion,
                                                                                          4th Marines
                                        3rd Platoon, Co"B"    in direct support of the 3d Battalion,
                                                                                       3d Marines

                              (d)   Company "C" (Rein)  in direct support of the 9th Marine
                                                                                          Regiment (-)
                                        1st Platoon, Co"C"     in direct support of the 1st Battalion,
                                                                                          9th Marines.
                                        2nd Platoon, Co"C"    in direct support of the 9th Marines(-)
                                        3rd Platoon, Co"C"    in direct support of the 3d Battalion,
                                                                                          9th Marines.

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