CIA WEEKLY REPORT ON COMMUNIST INFILTRATION IN INDOCHINA

• Document Type: CREST
• Collection: Library of Congress
• Document Number (FOIA) /ESDN (CREST): LOC-HAK-558-14-10-6
• Release Decision: RIPLIM
• Original Classification: S
• Document Page Count: 3
• Document Creation Date: January 11, 2017
• Document Release Date: September 3, 2010
• Sequence Number: 10
• Publication Date: March 28, 1973
• Content Type: MEMO

No Objection to Declassification in Part 2010/09/03 : LOC-HAK-558-14-10-6
~ ~
MEMORANDUM
MORI
c03223172
NSA
review
completed
I1VF ?RMA'r ION'
March 28, 1973
MR. KISSINGER
MEMORANDUM FOR:
JOHN HOLDRIDGE ~~~'``'-
FR.OM:
Cam,. Weekly Report on Communist
5UB3'ECT: Infiltration in Indochina
vehicles were dispatched from
summary, dated March 27, of
The CIA has submitted its weekly
recent Communist logistical and manpower developments in Ind~-
china (Tab A).
ort indicates that substantial quantities of supplies are
The rep
caxatinuin.g.to rx7,ove into Laost-season act vity~t and that very heavy
be preparing the trail far we Cambodia and South Vietnam's
resupply activity continues within I,aas,
Military Regions I axed ITI. There areroe rtain.re S nce March 4 we aY
be ending its dry season infiltration p g
have received no report of regular infiltration groups leaving North
althou h s ecial-purpose groups involving 500 personnel
Vietnam, g p
were recently noted moving south through the Vinh area.
Cambodia
L,o istic s -North Vietnam, Laos,
__ Resupply trucks ax~.d barges continue to mots e~crealed that
Vietnam's Panhandle area- On March 21, intercep
g6 vehicles were transiting the Dong H northern I.,a,os March 24, 5a
Vinh to
NATIONAL SECURITY COUNCIL
XGDS By Auth CIA 5 B (~}
ON-FILE NSC RELEASE
INSTRUCTIONS APPLY
No Objection to Declassification in Part 2010/09/03 : LOC-HAK-558-14-10-6
 -~- No Objection to Declassification in Part 2010/09/03 : LOC-HAK-558-14-10-6
SECI~,FT ' 2-
-~. North Vietnam. may be preparing for wet season' resupply
procedures. Recent photography revealed road improvements
and bridge building south of Ban Karai and near Ban Phone.
In the central Laos Faxahandle there were numerous examples
o# heavy vehicle activity during the week. Intercepts indicated that
one logistics' unit would handle 50-60 trucks "every day, " and othOe~ s
referred to the large convoys going south toward Group 471. "
March 21, Group 471 reported that it had dispatched 90 vehicles.
__ Communications intelligence indicates that trenches are
being dug. along Routes 29 and 99 in the Panhandle for petroleum
storage tanks, which can be stored far more readily in a bomb-free
environment.
Vehicle. activity remains heavy in the southern Laos/Cambodia
border area. Un March 23, for example, Group 470 reported that
77 vehicles were "on the roads. " Further south, the Communist
resupply activity is being hindered somewhat by the recent sharp
increase in U. S. bombing in Cambodia.
.~- In eastern Cambodia, the pattern of.vehicle traffic flows
is normal for this tin3 Fra t area. South o# Stung Treng vehic esrd
on Route 19 to the B
are using a newly built road paralleling Route 13. Further south,
supplies are moviz~.g on the Tanle~ Kong and Mekong, with same 30
flat-bottom motorboats, each capable of carrying 2 to 3 tans o#
supplies, reported in use by the NVA/ VC on the Mekong.
z.,ogistics -South Vietnam
.._ High levels o# resupply activity continue in northern South
Vietnam. On March 21, 1, 100 tons of ordnance anal rice were shipped
in Quang Tri Province, at least 60 tons of ammunition were moved
on March 20 through Binh Tram 12's area, and on March 25 the same
Binh Trani handled 200 tons of ordnance. On March 23, a logistic
entity reported receiving 78 vehicles and 250 tans of weapons and
ammunition.
In the western sector o;f MR-I heavy activity was also apparent.
In the Khe Sanh and A Shau Valley area 70 vehicles wexe reported.
moving on March 20, 50 trucks were photographed on March 19: and
No Objection to Declassification in Part 2010/09/03 : LOC-HAK-558-14-10-6
 No Objection to Declassification in Part 2010/09/03 : LOC-HAK-558-14-10-6
SECRET
At Khe Sarah, photography on March 2l revealed a newly
occupied SAM site including ~'o ?p rn A Shau,Asevenl storagerareas
and other equipment. In the northe ,~ buildings were
newly constructed since February and containing
observed along Route 616.
__ Significant road improvement and construction activity was
detected during the past week in Quang Txn and Quang Ngai Provinces
of MR- I.
__ In the Central Highlands, the Communists have, since March,
Constructed numerous ammunition caches along Route l9 in Fleiku
Province.
..- In MR-III tie pace of Communist logistic activity remains
articularl in northeastern Tay Ninh Province, which is
brisk, p Y
linked by new road construction to Mimot, Cambodia.
Personnel
.- There are tentative signs that Hanoi may be bringing its
dry season in'~iltration program t orth Vietnam ha eooccu,rred since
infiltration groups leaving from Nhowever, l7 special-purpose in-
March 4. During the past week, south
filtration groups, including 500 personnel, were noted moving
through the V inh area.
_.- Currently there are son1e 20ve a0 ~ ved at t eirtdestirl~ations n
pipeline and an additional 150, 000 ha
in South Vietnam, Cambodia and southern Laos since January 28.
Infiltration starts since September 1, I97~ total 86, 500.
No Objection to Declassification in Part 2010/09/03 : LOC-HAK-558-14-10-6