Berapa banyak Presiden AS yang pernah bertugas di militer?

Dua puluh enam Presiden AS telah bertugas di berbagai cabang militer. George Washington Thomas Jefferson James Madison James Monroe Andrew Jackson William Henry Harrison John Tyler James K. Polk Zachary Taylor Millard Fillmore Franklin Pierce James Buchanan Abraham Lincoln Andrew Johnson Ulysses S. Grant Rutherford B. Hayes James A. Garfield Chester A. Arthur Benjamin Harrison William McKinley Theodore Roosevelt Harry S. Truman Dwight D. Eisenhower John F. Kennedy Lyndon B. Johnson Richard M. Nixon Gerald R. Ford, Jr. Jimmy Carter Ronald George Reagan Bush George W. Bush