Harry S. Truman in his uniform as a First Lieutenant in the United States Army, Battery D, 129th Field Artillery, 35th Division, September 1917.

President and Mrs. Richard Nixon visit former President Harry S. Truman and former First Lady Bess W. Truman at the Truman Library, March 21, 1969.

Presidents in Uniform: Ulysses S. Grant, victorious Union general of the Civil War.

Jimmy Stewart...WWII.....He was a pilot in the USAF, had a noted military career and was a World War II and Vietnam War veteran, who rose to the rank of Brigadier General in the United States Air Force Reserve. See, some actors are real heroes.

Besides being the 27th President, William Howard Taft also served as Chief Justice of the United States Supreme Court, a job he much preferred to the presidency.

Harry S Truman 33rd President of the U.S. 1945-53

John F. Kennedy, May 29, 1917 - Nov 22, 1963. A landmark event for my generation.

Woodrow Wilson Had A Ph.D. To date, he's the only president to hold a doctorate degree, making him the highest educated president in the history of the United States. He was awarded the degree in Political Science and History from Johns Hopkins University. He also passed the Georgia Bar Exam despite not finishing law school.

This WWII poster for the Recruiting Publicity Bureau of the United States Army was illustrated by artist Bradshaw Crandell, c. 1943. "Are you a girl with star-spangled heart? Join the WAC now! Thousands of Army jobs need filling! Women's Army Corp. United States Army."

German soldiers, date unknown. The reality of War. Many soldiers on both sides were little more than kids. Thrown into uniform and given scant training, they were forced to endure combat and conditions that eventually broke even the hardest of the hard-hearted. They also died in droves.

Harry Truman

African-American soldier with a German child on his knee, Munich, 1945, (b/w photo)

John F. Kennedy-United States Navy Lieutenant World War II received Navy and Marine Corps Medal and Purple Heart

Official White House Portrait of Harry S. Truman - 33rd President of the United States

President Kennedy and President Truman

William McKinley-25th President of the United States In office March 4, 1897 – September 14, 1901 Vice President : Garret Hobart

Chester Arthur, Born October 5, 1829, was one of five Presidents who was never elected — he took office after James Garfield's assassination and served nearly a full term as the 21st President of the United States.

Truman in military uniform with shoulder and waist belt with helmet

George H.W. Bush. Youngest pilot in the United States Navy during World War II (age 19). Earned Distinguished Flying Cross.