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Learn more about the project: Lam, Vinh-The, and Darryl Friesen. "A Web-based Database of CIA Declassified Documents on the Vietnam War." Online 28, no. 4 (2004): 31-35.

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Title:
Foreign shipping to North Vietnam after three years of Rolling Thunder
Date of Creation:
June 1, 1968
Date of Declassification:
November 1, 1987
Type of Document:
Intelligence memorandum
Level of Classification:
NOT GIVEN
Status of Copy:
ORIGINAL
Pagination, Illustration:
12 p.
Abstract:
Since the beginning of the Rolling Thunder program in early 1965, North Vietnam's seaborne imports have more than doubled, exports have dwindled, and Free World ships have been largely replaced in the trade by Communist ships. As the war in Vietnam intensified, North Vietnam's dependence on its Communist allies for material assistance increased significantly. Imports by sea rose from 690,000 metric tons in 1964 to 1,420,000 tons in 1967. During the first four months of 1968, imports were 14 percent higher than during the same period in 1967. The largest increase occurred in 1967 when domestic grain production had to be supplemented by heavy imports of rice from China and wheat flour from the USSR. Imports of petroleum and general and miscellaneous cargoes (including steel, machinery, vehicles, soft coal, and chemicals) reached record levels during early 1968. Deliveries from Communist countries currently account for 98 percent of total import tonnage, compared with 74 percent in 1964. No imports of arms or ammunition by sea have been detected.
Declassified Documents Reference System Location:
1988-002037