Home » Historical » Khe Sanh—the intelligence build up

Khe Sanh—the intelligence build up

Expendable Warriors was so named because General Westmoreland and Colonel Lounds at the Khe Sanh Combat Base (KSCB) knew that the North Vietnamese Army was going to attack Khe Sanh as much as 3 months before the attack began.  However, the Advisory Team in Khe Sanh village in the District Headquarters were not told.  We guess for fear that the intelligence would be leaked to our Vietnamese counterparts and then get back to the North Vietnamese.  What was the intelligence?

The intelligence that the NVA were going to attack Khe Sanh got its first visibility in November 1967 when Colonel Lounds (Commander of the KSCB) told some Marines that: “you will soon be in the American history books.”

Recently unclassified intelligence showed that in October 1967 an NVA Division began moving towards Khe Sanh.  There was also information from signal intercepts that a new headquarters had been formed to control a multi-division attack on Khe Sanh.

General Westmoreland’s intelligence brief of 12 January confirmed that the attack would begin on 21 January.  During the entire month of January Military Assistance Command Vietnam (MACV) began preparations for the battle of Khe Sanh began preparations for the upcoming battle by:

  • Reinforcing the KSCB first on the 13 December with and additional Marie Infantry Battalion. The order sending the battalion to KSCB noted that reinforcements should not flow to KSCB too quickly so as to avoid the NVA knowing of General Westmoreland’s intentions.
  • An air campaign to target the NVA using B-52s as they approached Khe Sanh was begun on 5 January –Operation Niagara
  • Approval to use what was then a classified controlled fragmentation artillery munition (COFRAM—also known as fire cracker) was sought
  • An Air Support Radar Team was deployed to KSCB on 16 January to control radar guided air attacks.
  • On 17 January an additional Marine infantry battalion arrived at Khe Sanh bringing the force up to 3 battalions.
  • On 18 January sensors were diverted from the Ho Chi Minh trail in Laos and deployed around the KSCB to monitor the movement of the NVA into the area.

During the period beginning in December 1967 the Marines at KSCB began improving their defensive positions by digging deeper putting up more sand bag reinforced bunkers.  Ammunition resupply by air began in earnest.  This Marine effort was intelligence to those of us on the Advisory Team in the District Headquarters.  We began to take similar actions by improving the defenses of our little compound.

Finally on 19 January an NVA officer was captured performing a reconnaissance of the wire surrounding the KSCB.  This office had the entire plan for the attack from the northern Division (NVA Division 325 C) that was to attack KSCB beginning on 21 January.

The information on the pending attack was known to the leadership at Khe Sanh and throughout the relevant portions of MACV, BUT not in the District Headquarters.  The scene was set for the events of the next almost 80 days.


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