10 September – Sept 1965

 

070800H September 1965

Operation Plan 221-65 (Operation VICEROY)

Ref:     (a)        Map: Viet Nam 1:50,000 Sheet 6757 III

                                              (b)        4th Marines (-)(rein) Frag Order No. 10 of 18 July 1965

 

  1. Situation
  2. Enemy forces.  See Current ISUMS
  3. Friendly Forces
  4. 4th Marines (-)(rein).  Continues defense of Chu Lai area.
  5. 3rd Bn, 12th Marines.  Provides medium and heavy artillery support as required.
  6. FMAW.  Provides support as required.
  7. Attachments and Detachments.  None
  8. Assumptions
  9. That support requirements as planned will be provided.
  10. Mission. Continue mission assigned in reference (b).  Conduct patrolling daily within TAOR west of grid line 46 and south of Highway 1.
  11. Execution.
  12. Concept of Operation.  Annex A (Operation Overlay).  Company (-)(rein) lands by helicopter in LZ (BT 449058) on 10 September.  Conduct combat patrol to village at (BT 445055) to destroy caves.  Continue patrol to LZ (BT 443058) for heli-lift of one platoon to MLR about 101700H.  Continue platoon combat patrol to patrol base, night of 10 September.  Continue patrol to patrol base, night of 11 September.  Continue patrol to pickup point on 12 September.
  13. Company A (rein).
  14. Continue manning Bn outpost on Hill 69 (BT 468068).
  15. Conduct patrols assigned.
  16. Company B (rein).
  17. Conduct patrols assigned.
  18. Company C (rein).
  19. Maintain outpost/checkpoint on An Tan Bridge (BT 498067).
  20. Conduct patrols assigned.
  21. Conduct company (-) operation on 10 September.
  22. Conduct platoon (rein) combat patrol on 11 and 12 September.
  23. Company D (rein).
  24. Provide company (-)(rein) striking/reserve force.  Fifteen (15) minute alert.
  25. Conduct patrols assigned.
  26. Supporting Units.
  27. 1st Plat, Co. A, 1st AmTrac Bn.
  28. Conduct waterborne patrols assigned.
  29. 1st Plat, Co. B, 3rd Eng Bn.
  30. Attach one squad to Company C at 100530H t destroy caves.
  31. Coordinating Instructions.
  32. Tentative Company C (-) H-hour 100615H.
  33. Sit rep upon landing and every 30 minutes thereafter.
  34. Preplan supporting fires in support of operation.
  35. Company C platoon and engineer pickup at 101700H at LZ (443058).
  36. Company C platoon pickup by truck at 121400H at (BT 452087).
  37. Air and arty prep of LZ (BT 449058) on 10 September.
  38. Short title: Operation VICEROY
  39. Operation Overlay
  40. Rules of engagement.  No change.
  41. Check into Battalion TAC Net thirty (30) minutes, prior to heli-lift.
  42. Administration and Logistics.  Company C submit equipment and resupply request to S-4 by 090900H.
  43. Command and Communications/Electronics.  No change.
  1. J.PERRICH

Lt/Col, U.S. Marines Corps

Commanding