Nobel Prize-winning author John Steinbeck wears earphones as he rides in an Army helicopter on December 17, 1966 in Vietnam over the central V…

A steel helmeted Mexican army soldier sits at a fence surrounding the cycling track at the Mexico City Olympic Velodrome, Oct. 9, 1968, while …

Five trainees from the Underwater Demolition team, also known as "frogmen", workout with logs June 25, 1969 at the Little Creek Amphibious bas…

Ted Williams of the Boston Red Sox in action on March 11, 1942 at spring training in Sarasota, Florida. (AP Photo)

Nobel Prize-winning author John Steinbeck wears earphones as he rides in an Army helicopter on December 17, 1966 in Vietnam over the central V…