ELECTRONICS FACILITIES HANOI/BAC MAI AIRFIELD, NORTH VIETNAM

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP85T00339R000100250001-7
• Release Decision: RIPPUB
• Original Classification: C
• Document Page Count: 6
• Document Creation Date: December 28, 2016
• Document Release Date: February 11, 2009
• Sequence Number: 1
• Publication Date: May 21, 1969
• Content Type: REPORT

Approved For Release 2009/02/11: CIA-RDP85T00339R000100250001-7
NATIdtAL PI 1O APHIC RRERPRETATRRI cana
ELECTRONICS FACILITIES
HANOI/BAC MAI AIRFIELD, NORTH VIETNAM
20-59N 105-50E
A-,
25X1
25X1 I
Approved For Release 2009/02/11: CIA-RDP85T00339R000100250001-7
 Approved For Release 2009/02/11: CIA-RDP85T00339R000100250001-7
CONFIDENTIAL
(c) NATIONAL PHOTOGRAPHIC INTERPRETATION CENTER
REFERENCE : BO 0,079
ATTACHMENT TO M-6545
21 MAY 1969
PAGE 1
ELECTRONICS FACILITIES
HANOI/BAC MAI AIRFIELD, NORTH VIETNAM
2059N 10550E
1. SIGNIFICANCE:
THIS BRIEFING BOARD DEPICTS ADDITIONAL ELECTRONICS FACILITIES
NEWLY IDENTIFIED IN THE AREA OF HANOI/BAC MAI AIRFIELD.
2. LOCATION:
IMMEDIATELY NW OF HANOI/BAC MAI AIRFIELD.
3. BACKGROUND:
HANOI/BAC MAI AIRFIELD IS THE HEADQUARTERS OF THE NORTH VIETNAMESE
AIR DEFENSE SYSTEM. TWO HF RADIO STATIONS AND 3 MERCURY GRASS VHF RADIO RELAY
ANTENNAS HAVE PREVIOUSLY BEEN IDENTIFIED IN THE AREA. (SEE NPIC BOARD N-0049)
4. MISSION READOUT:
BUMPY ACTION MISSION Q079 OF 7 MAY REVEALS NINE ADDITIONAL MERCURY
GRASS ANTENNAS AND SEVERAL MASTS AND ANTENNAS AT ONE OF THE HIGH FREQUENCY RADIO
STATIONS IN THE AREA OF HANOI/BAC MAI AIRFIELD. A TOTAL OF TWELVE MERCURY GRASS
ANTENNAS IS NOW OBSERVED, SIX NEW CONFIRMED, THREE NEW PROBABLE, AND THREE WHICH
WERE PREVIOUSLY IDENTIFIED. FOUR CONFIRMED AND FOUR PROBABLE MERCURY GRASS VANS
ARE ALSO PRESENT. A PROBABLE KNIFE REST B VAN TRUCK, ONE DOUBLE-AXLE GENERATOR
These notes have been prepared for briefing purposes only and should not be used for detailed analytical work. Their use
should be restricted to the particular briefing boards (s) they were prepared for and must be considered valid only for the re-
porting period as indicated by the date of issue. For information concerning these notes contact Chief, Imagery Exploitation
Group NPIC.
GROUP I: EXCLUDED FROM
AUTOMATIC DOWNGRADING
AND DECLASSIFICATION
CONFIDENTIAL
Approved For Release 2009/02/11: CIA-RDP85T00339R000100250001-7
 Approved For Release 2009/02/11: CIA-RDP85T00339R000100250001-7
CONFIDENTIAL
(c) NATIONAL PHOTOGRAPHIC INTERPRETATION CENTER
REFERENCE: BO Q079
ATTACHMENT TO M-65)-45
21 MAY 1969
PAGE 2
TRAILER, AND FIVE ADDITIONAL VAN TRUCKS ARE LOCATED IN THIS AREA.
FOUR ADDTIONAL ANTENNA MASTS WITH AT LEAST ONE ADDITIONAL HORIZONTAL
DIPOLE ANTENNA ARE IDENTIFIED AT THE HANOI RADIO COMMUNICATIONS STATION BAC MAI EAST
. THE CONTROL FACILITIES FOR THIS RADIO STATION ARE LOCATED
WITHIN THE TWO BUNKERS WHICH ARE THE PROBABLE LOCATIONS OF THE NORTH VIETNAMESE
AIR DEFENSE HEADQUARTERS.
A REVETTED VAN TRUCK AND ONE STICK MAST ARE LOCATED ADJACENT TO AN OLD
CONCRETE FORTIFICATION 0.5 NM SW OF THE RUNWAY. (THIS TYPE OF VAN TRUCK HAS
PREVIOUSLY BEEN REPORTED AS USED FOR AN UNIDENTIFIED VHF RADIO.)
A GAZ 66 ELECTRONICS VAN TRUCK AND A DOUBLE-AXLE GENERATOR TRAILER ARE
LOCATED 0.5 NM NORTH OF THE CENTER OF THE RUNWAY.
These notes have been prepared for briefing purposes only and should not be used for detailed analytical work. Their use
should be restricted to the particular briefing boards (s) they were prepared for and must be considered valid only for the re-
porting period as indicated by the date of issue. For information concerning these notes contact Chief, Imagery Exploitation
Group NPIC.
CONFIDENTIAL
Approved For Release 2009/02/11: CIA-RDP85T00339R000100250001-7
 Approved For Release 2009/02/11: CIA-RDP85T00339R000100250001-7
CONFIDENTIAL
(c) NATIONAL PHOTOGRAPHIC INTERPRETATION CENTER
REFERENCE: BO QO79
ATTACHMENT TO M-6545
21 MAY 1969
PAGE 1
ELECTRONICS FACILITIES
HANOI/BAC MAI AIRFIELD, NORTH VIETNAM
2059N 10550E
1. SIGNIFICANCE:
THIS BRIEFING BOARD DEPICTS ADDITIONAL ELECTRONICS FACILITIES
NEWLY IDENTIFIED IN THE AREA OF HANOI/BAC MAI AIRFIELD.
2. LOCATION:
IMMEDIATELY NW OF HANOI/BAC MAI AIRFIELD.
3. BACKGROUND:
HANOI/BAC MAI AIRFIELD IS THE HEADQUARTERS OF THE NORTH VIETNAMESE
AIR DEFENSE SYSTEM. TWO HF RADIO STATIONS AND 3 MERCURY GRASS VHF RADIO RELAY
ANTENNAS HAVE PREVIOUSLY BEEN IDENTIFIED IN THE AREA. (SEE NPIC BOARD N-0049)
4. MISSION READOUT:
BUMPY ACTION MISSION Q079 OF 7 MAY REVEALS NINE ADDITIONAL MERCURY
GRASS ANTENNAS AND SEVERAL MASTS AND ANTENNAS AT ONE OF THE HIGH FREQUENCY RADIO
STATIONS IN THE AREA OF HANOI/BAC MAI AIRFIELD. A TOTAL OF TWELVE MERCURY GRASS
ANTENNAS IS NOW OBSERVED, SIX NEW CONFIRMED, THREE NEW PROBABLE, AND THREE WHICH
WERE PREVIOUSLY IDENTIFIED. FOUR CONFIRMED AND FOUR PROBABLE MERCURY GRASS VANS
ARE ALSO PRESENT. A PROBABLE KNIFE REST B VAN TRUCK, ONE DOUBLE-AXLE GENERATOR
These notes have been prepared for briefing purposes only and should not be used for detailed analytical work. Their use
should be restricted to the particular briefing boards (s) they were prepared for and must be considered valid only for the re-
porting period as indicated by the date of issue. For information concerning these notes contact Chief, Imagery Exploitation
Group NPIC.
GROUP I: EXCLUDED FROM
AUTOMATIC DOWNGRADING
AND DECLASSIFICATION
CONFIDENTIAL
Approved For Release 2009/02/11: CIA-RDP85T00339R000100250001-7
 Approved For Release 2009/02/11: CIA-RDP85T00339R000100250001-7
CONFIDENTIAL
(c) NATIONAL PHOTOGRAPHIC INTERPRETATION CENTER
REFERENCE: BO Q079
ATTACHMENT TO M-6545
21 MAY 1969
PAGE 2
TRAILER, AND FIVE ADDITIONAL VAN TRUCKS ARE LOCATED IN THIS AREA.
FOUR ADDTIONAL ANTENNA MASTS WITH AT LEAST ONE ADDITIONAL HORIZONTAL
DIPOLE ANTENNA ARE IDENTIFIED AT THE HANOI RADIO COMMUNICATIONS STATION BAC MAI EAST
. THE CONTROL FACILITIES FOR THIS RADIO STATION ARE LOCATED 25X1
WITHIN THE TWO BUNKERS WHICH ARE THE PROBABLE LOCATIONS OF THE NORTH VIETNAMESE
AIR DEFENSE HEADQUARTERS.
A REVETTED VAN TRUCK AND ONE STICK MAST ARE LOCATED ADJACENT TO AN OLD
CONCRETE FORTIFICATION 0.5 NM SW OF THE RUNWAY. (THIS TYPE OF VAN TRUCK HAS
PREVIOUSLY BEEN REPORTED AS USED FOR AN UNIDENTIFIED VHF RADIO.)
A GAZ 66 ELECTRONICS VAN TRUCK AND A DOUBLE-AXLE GENERATOR TRAILER ARE
LOCATED 0.5 NM NORTH OF THE CENTER OF THE RUNWAY.
These notes have been prepared for briefing purposes only and should not be used for detailed analytical work. Their use
should be restricted to the particular briefing boards (s) they were prepared for and must be considered valid only for the re-
porting period as indicated by the date of issue. For information concerning these notes contact Chief, Imagery Exploitation
Group NPIC.
CONFIDENTIAL
Approved For Release 2009/02/11: CIA-RDP85T00339R000100250001-7
 Approved For Release 2009/02111: CIA-RDP85T00339R000100250001-7
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Approved For Release 2009/02111: CIA-RDP85T00339R000100250001-7