@georgetakei
Presidents who were military veterans:
Washington
Jefferson
Madison
Monroe
Jackson
W.H. Harrison
Tyler
Polk
Taylor
Fillmore
Pierce
Buchanan
Lincoln
A. Johnson
Grant
Hayes
Garfield
Arthur
B. Harrison
McKinley
T. Roosevelt
Truman
Eisenhower
Kennedy
L.B. Johnson
Nixon
Ford
Regan
G.H.W. Bush
G.W. Bush
Presidents who avoided military service but compared sleeping around New York and avoiding sexually transmitted diseases to serving in Vietnam: