Norman "Jim" Silas Archibald (1894-1975) of Seattle, Washington served in the U.S. Army Air Service, 95th Aero Squadron during World War I, and later published a bestselling book on his experience. He served again in the Air Force during World War II at home in Seattle. The collection contains correspondence, military documents, photographs, and other materials relating to Archibald's life and military service.

Hamilton "Ham" Coolidge (1895-1918) was one of many young men from wealthy New England families who enlisted during World War I. The collection contains materials related to Captain Coolidge's service a pilot with the U.S. Army Air Service 94th Aero Squadron. Coolidge achieved Ace status, was awarded the Distinguished Service Cross, and was killed in action.

The collection contains photographs and documents related to the life and World War I service of German-American Joseph Fritz Wehner (1895-1918). Wehner achieved Ace status and received the Distinguished Service Cross for his service in the 27th Aero Squadron before being killed in action.