Source: http://en.wikipedia.org/wiki/List_of_Presidents_of_the_United_States_by_military_service http://en.wikipedia.org/wiki/List_of_Presidents_of_the_Unite...

Source: http://en.wikipedia.org/wiki/List_of_Presidents_of_the_United_States_by_military_service http://en.wikipedia.org/wiki/List_of_Presidents_of_the_Unite... According to the table on that page, 11 US Presidents had no prior military service. This goes all the way back to John Adams, President #2 and our first Vice President. That's a full 25% that were not in the military. Many of the others were in the militia or national guard, which until fairly recently was not the same thing.