U.S. Troop Deployment, 1950-1974 in Vietnam

http://www.heritage.org/Research/NationalSecurity/cda04-11.cfm

The war in Vietnam brought hundreds of thousands of American military personnel from all branches to many countries in Southeast Asia. Hundreds of soldiers had been in Vietnam since the end of World War II, but 1956 marked the beginning of new deployments into Cambodia and Laos. Troop levels in Vietnam proper accelerated sharply in 1962, peaked in 1968 at over 500,000 servicemen, and then declined sharply every year after, ending with complete pullout in 1975.

Troop Levels by Year

1950..... 9   1962..... 8,498
1951..... 74   1963..... 15,620
1952..... 74   1964..... 17,280
1953..... 138   1965..... 129,611
1954..... 4,628   1966..... 317,007
1955..... 427   1967..... 451,752
1956..... 752 1968..... 537,377
1957..... 751   1969..... 510,054
1958..... 846   1970..... 390,278
1959..... 819   1971..... 212,925
1960..... 794   1972..... 35,292
1961..... 959   1973..... 265
      1974..... 130
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