IMAGERY ANALYSIS SERVICE NOTES

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP78T04759A009100010064-7
• Release Decision: RIPPUB
• Original Classification: T
• Document Page Count: 9
• Document Creation Date: December 28, 2016
• Document Release Date: January 23, 2002
• Sequence Number: 64
• Publication Date: February 28, 1969
• Content Type: NOTES

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DIRECTORATE OF
INTELLIGENCE
Imagery Analysis Service Notes
28 February 1969
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 Approved For Release 2002/05/07 : CIA-RDP78TO4759AO09100010064-7
The IMAGERY ANALYSIS S.RVIC:E NOTES is a periodic publication
of the DDI Imagery Analysis Se vice, the departmental FI organization of
CIA.
This publication highlights signi 'icant or timely intelligence items derived
from photography.
The interpretations in this aubi ication represent preliminar views which
are subject to modification in i ae light of further information and more
complete analysis.
Wii,RNING
This document contains information affecting the national security of the
United States within the meanin:, of the espionage laws U. S. Code Title 18,
Sections 793, 794. Thq law prohibits its transmission or the reve-
lation of its contents in any ma mer to an unauthorized person, as well as
its use in any manner prejudic al to the safety or interest of the United
States or for the benefit of any -oreign government to the detriment of the
United States. It is to be seen only by personnel especially indoctrinated
and authorized to receive in#ot nation in the designated control channels.
Its security must he mainta.inec in accordance with regulations pertaining
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TCS-18222/69
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SEC. CLASS.
28 Feb. 1969 TS/T/K
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CENTRAL INTELLIGENCE AGENCY
Directorate of Intelligence
Imagery Analysis Service
Page
CH I NA
Evidence of Additional SAWRF
Construction . . . . . . . . . . . . . . . . . . . . . . . . 3
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CHINA
Evidence of Additional SAWRF Construction
Unusual construction activity, which IAS considers may be the start
of two SAWRF's, has been newly identified near Tientsin, China.
One area of activity is 13 nautical miles (nm) east of Tientsin and
slightly north of the rail line that connects Tientsin with the port of 25X1 D
Tangku. Initial construction was begun in By 1: 1 25X1 D
0 a new rail spur had been built to the site and construction was well
under way (see Figure la).
The second area of construction is 8 nm south of Tientsin and 15 nm
west-southwest of the first area. Initial construction at the site was
observed on photography of but no activity was visible on 25X1 D
late coverage. n photography of the configuration
of the ou er perimeter was well defined, and construction was supported by a
new rail spur (see Figure Ib).
25X1 D
The pace of construction at both new areas differs from that seen at
the SAWRF's identified previously. No corridor system has yet been begun
I lafter the start of construction, whereas corridors have been
about the first thing to appear at the other locations. Because both con-
struction sites are in very low, wet terrain, however, there may be an
intent to elevate the foundations prior to construction of the corridor
systems.
For the locations of these construction projects and the six SAWRF's
previously built in the North China Plain see Figure 2.
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