Integrating more than 1,000 hours of rare archival footage and photos and the airmen’s own words, Heroes of the Sky: The Mighty Eighth Air Force takes viewers back to the pivotal moments when the Mighty Eighth shifted the Allies fate in World War II. Watch tonight at 9/8c. | National Geographic TV

The Cambridge American Cemetery and Memorial Walls of the Missing list 5,127 names. Rosettes mark the names of those since recovered and identified. Most of the heroes listed died in the Battle of the Atlantic or in the strategic air bombardment of Nazi Occupied Europe. 3,811 Americans lie buried in the cemetery. | National Museum of the Mighty Eighth Air Force