Dien Bien Phu (1973) S.D.C. Game Play Part 1.

About Dien Bien Phu: Strategic Game of Indochina 1950-55, from BoardGameGeek:

Published in Conflict Magazine #6 - the French Vietnam war period "Dien Bien Phu" is a strategic level wargame about the "First Indochina War" (1950 - 1955). A small area map of North Vietnam and bordering areas is used to plot simultaneous movement via written orders. When opposing units move to the same place there is combat which is worked out via a diceless system. The Viet Minh win the game if they capture and hold Hanoi or eliminate 3 French regular units in 1 turn. Components: Small map 1 Countersheet Rules Booklet Movement Plotting Sheets