Military Engineering

John Teasdale delves deeper into the role of the US Marine Engineers in Vietnam

Sergeant R Caulden of Company C, 7th Engineers is seen here in March 1965 improving the road to Hill 327. Sergeant Caulden is operating an M65 motorised road grader, Model 550 as built by the Adams Division of Le Tourneau-Westinghouse. The grader is powered by a two-stroke four-cylinder GMC 4-71 Series Model 4914 diesel engine. Fuel usage is 5 US gallons per hour. (PRIVATE FIRST CLASS ALBACH / NATIONAL ARCHIVES 26389002)

’When new roads were built, vegetation was removed to a width of 650ft (200m) either side to remove cover for any Viet Cong’

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