At 78 he took on the British column alone behind a stone wall. Shot in the face and bayoneted 13 times, Sam Whittemore lived another 18 years.

Before he was the world's most famous mime, Marcel Mangel hid his Jewish roots and smuggled children across the Alps to safety.

A stray found at Yale went to France with the 102nd Infantry, warned of gas, found the wounded, and came home a celebrity.

Oliver Wendell Holmes Jr. was wounded at Ball's Bluff, Antietam, and Chancellorsville, then served on the Supreme Court until he was 90.

A former boxer and merchant seaman, Sgt. Jose Lopez held off a German attack at Krinkelt with a heavy machine gun and saved his company.

Ambushed on a mesa in Arizona in 1874, Sgt. Barney Taylor carried his wounded lieutenant half a mile under fire and refused to leave him.

On the 75th anniversary, John recalls the men who landed in Normandy and the leaders who got them off the beach.

John's tribute to the special operators who took down bin Laden: the best living definition of a team.

On the third day at Gettysburg, Lee sent about 13,000 men across open ground at the Union center. Hour by hour, John walks through Pickett's Charge.

No photograph of him survives. An Irish immigrant from Chicago captured a Confederate flag at Malvern in 1864 and earned the Medal of Honor.

Captured when his ship was sunk in 1918, Lt. Edouard Izac escaped a German prison camp, swam the Rhine, and brought back intelligence on U-boats.

The Rough Riders memorial at Arlington lists the men of the 1st U.S. Volunteer Cavalry who died in 1898. John on the charge that made them famous.

In 1967, Sgt. Leonard Keller and Spc. Raymond Wright cleared a line of enemy bunkers in Vietnam. Both received the Medal of Honor. Keller never made a fuss about it.

Exhausted and under fire at Monocacy, Corporal Alexander Scott picked up his regiment's fallen national flag and carried both colors off the field.

Wounded 21 times, Pvt. Henry Johnson fought off a German raiding party with grenades, a rifle butt, and a bolo knife. His Medal of Honor came 97 years later.

Cut off by smoke inside German lines in 1918, three New York Guardsmen ran to rescue a disabled tank crew. One of them was Cornell student Alan Eggers.

In March 2009, John met 107-year-old Robley Rex, one of the last American veterans of the World War I era. He remembered Pershing, and he saluted.