At the greatest level, the extent of the US combat power in Vietnam was limited to air raids and chemical weapons, as the jungle nature of the country, the guerilla warfare strategies of the Vietcong and the difficulty to discriminate between North and South Vietnamese soldiers made it nearly impossible for the marines to gain ground on land. Though 2.59 million Americans served in the military from 1964 to 1975, the US's significant advances were almost solely dependent …showed first 75 words of 2040 total…

…showed last 75 words of 2040 total…Witman in singing, "a list of nearly sixty thousand names---what's a thousand here or there? Call them heroes if you want to --- I don't think they really care." "Monuments", written and sung by Mark Witman 1991, from album "Partly Cloudy Skies" [McCaffrey] Speech by Lt. Gen. Barry R. McCaffrey, (reproduced in the Pentagram, June 4, 1993) assistant to the Chairman of the Joint Chiefs of Staff, to Vietnam veterans and visitors gathered at "The Wall", Memorial Day 1993.