be limited by the capacities of the routes in Laos rather than
 by those of North Vietnam.*
 15. Trucks. We estimate that at the end of 1965 the North
 Vietnamese had an inventory of between 11,000 and 12,000 trucks.
 Losses from air attack have been substantial, and North Vietnam
 has been forced to increase its imports to counter this attrition.
 Imports from Eastern Europe, the USSR, and China have enabled
 North Vietnam roughly to maintain the size of its inventory.
 16. Maintenance problems have increased, and as many as 30
 percent of the trucks may not be operable on a daily basis. There
 is a lack or well-equipped, properly manned maintenace facilities,
 and the variety of truck imports has resulted in a fleet of over
 30 models from at least seven different countries. POL imports into
 North Vietnam during the first half of 1967 have been at record
 levels, and we have had no evidence of any serious POL shortages
 affecting the movement of supplies to South Vietnam.
 17. waterways. The coastal and inland waterway system in
 North Vietnam provides a useful supplement to the road and rail
 system and has been used extensively, particularly since the start
 * The representative of the Assistant Chief of Staff, Intelligence,
 USAF, reserves his position on this paragraph.
 -16-
 
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