Presidents who served in the Military

Chester A. Arthur, New York Militia. Brigadier General of the New York Militia before and during the Civil War.
James Buchanan, Pennsylvania State Militia. Private, War of 1812.
George H. W. Bush, US Naval Reserve. Lieutenant, Naval aviator in WW II. Shot down and received the Distinguished Flying Cross.
George W. Bush, Texas National Guard. First Lieutenant, served stateside as pilot during the Vietnam War (1968-1973).
Jimmy Carter, US Navy. Midshipman, US Naval Academy during World War II. Sea duty and stateside service (1946-1953) during the Korean War.
Dwight D. Eisenhower, US Army. General, stateside service during World War I. Served as Supreme Allied Commander in Europe during World II (1942-1945).
Millard Fillmore, New York State Militia. Major, served in New York Militia in 1820s and 1830s.  Organized Union Continentals Home Guard Unit in Buffalo, New York during the Civil War.
Gerald Ford, US Naval Reserve. Lieutenant Commander, World War II (1942-1945) combat on USS Monterey.
James Garfield, US Army. Major General, served in the American Civil War (1861-1863).
Ulysses S. Grant, US Army. General, served in in the Mexican-American Civil War and American Civil War. Served in the years 1843-1854 and 1861-1868.
Benjamin Harrison, US Army. Brigadier General, commanded battles of Resaca, New Hope Church, Kennesaw Mountain, Marietta, Peachtree Creek and Atlanta. Also commanded a brigade during Sherman's March to the Sea.
William Henry Harrison, US Army. Major General, served in Northwest Indian War and War of 1812.
Rutherford B. Hayes, US Army. Major General, served in the American Civil War. Wounded at the Battle of South Mountain. Also served at the Battle of Antietam.
Andrew Jackson, Continental Army, US Army. Major General, American Revolutionary War, War of 1812, Creek War, First Seminole War.
Thomas Jefferson, Virginia Militia. Colonel, Commander of Albemarle County Militia at beginning of American Revolution.
Andrew Johnson, US Army. Brigadier General, served in Tennessee Militia in 1830s and American Civil War.
Lyndon B. Johnson, US Naval Reserve.  Commander during World War II - awarded the Silver Star.
John F. Kennedy, US Naval Reserve. Lieutenant, served in combat during World War II. Awarded the Navy and Marine Corps Medal and the Purple Heart.
Abraham Lincoln, Illinois State Militia. Captain, served in the Black Hawk War.
James Madison, Virginia Militia. Colonel, Commander of Orange County Militia at start of American Revolution. Commanded troops during the Battle of Bladensburg.
William McKinley, US Army. Major, served in the American Civil War. Fought in Battle of South Mountain, The Battle of Antietam and in the Valley Campaigns of 1864.
James Monroe, Continental Army. Major, served in the War of 1812, Black Hawk War, Second Seminole Revolution War.
Richard Nixon, US Naval Reserve. Commander, served in World War II (1942-1945); earned two Battle Stars for his service in the Pacific.
Franklin Pierce, US Army. Brigadier General, served in the Mexican-American War. Commanded infantry Brigade at Battle of Contreras, Battle of Churubusco and the assault on Mexico City.
James K. Polk, Tennessee State Militia. Colonel, joined cavalry unit in Tennessee  Militia as a Captain. Later appointed a Colonel on the staff of Governor William Carroll.
Ronald Regan, US Army Reserve, US Army Air Forces. Captain, served in Army Reserve (1937-1942). Stateside service during World War II (1942-1945).
Theodore Roosevelt, US Army. Colonel, served in Spanish-American War as second in command. Then, served as the Commander of the 1st US Volunteer Cavalry (Rough Riders). The only US president to receive the Medal of Honor which was awarded posthumously in 2001.
William Howard Taft, Connecticut Home Guard.  US Secretary of War 1904-1908. Enlisted in Connecticut Home Guard for World War I.
Zachary Taylor, US Army. Major General, served in War of 1812, Black Hawk War, Second Seminole War & Mexican American War.
Harry S. Truman, Missouri Army National Guard, US Army, US Army Reserves. Colonel, served in Missouri National Guard (1905-1911); combat in France during World War I (1917-1918).
John Tyler, Virginia Militia. Captain, War of 1812.
George Washington, Virginia Militia, Continental Army, US Army. General of the Armies of the US, served in the French and Indian War and American Revolutionary War.