Presidents with no military service:
John Adams
John Quincy Adams
Martin Van Buren
Grover Cleveland
William Howard Taft
Woodrow Wilson
Warren G. Harding
Calvin Coolidge
Herbert Hoover
Franklin D. Roosevelt
Bill Clinton
Barack Obama
All this according to......http://en.wikipedia.org/wiki/List_of_Presidents_of_the_United_States_by_military_service
Thank you, though it hurts to see BHO listed among so many better presidents.
Curious to learn that Jefferson was officially a Colonel, even though hardly the warrior type.
Let's see, if we limit our list to only those with no connections at all to the military:
Withe huge, huge apologies to one of our best ever presidents, Calvin Coolidge, for putting him in such a rogues gallery!