These young men knew , in advance , that the National Guard would be unlikely to send its soldiers to Vietnam .
The fear of military service in Vietnam influenced many young men born in the late 1940s to join the National Guard .
These young men knew , in advance , that the National Guard would be unlikely to send National Guard 's soldiers to Vietnam .
The fear of military service in Vietnam influenced many young men born in the late 1940s to join the National Guard .