Title: Lost eagles
Subjects: World War, 1914-1918, Airmen, Identification, World War, 1939-1945, American Aerial operations, Missing in action, History, World war, 1914-1918, aerial operations, World war, 1939-1945, aerial operations, american, Soldiers
Places: United States
People: Frederick Wilhelm Zinn (1892-1960)
Time periods: 20th century