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.

Wilbur D. Kennedy, 1893-1943, was born in Cedar Rapids, Iowa and served as a pilot in the 12th Aero Squadron during World War I. Collection contains photographs, correspondence, military records, and other assorted materials relating to his World War I service.

Marc Aloysius Lagen (1882-1946), originally from Dubuque, Iowa, was a theatrical manager who served as Captain in the Balloon Section of the U.S. Army Air Service during World War I. The collection contains documents, photographs, correspondence, and ephemera relating to his World War I career.

Sidney Van Wyck Peters of Seattle, Washington served with the U.S. Army Air Service, 24th Aero Squadron during World War I. The collection contains a scrapbook album containing photographs and paper ephemera related to his service overseas.

Floyd W. Shepard (approx. 1890-1966) served as a pilot with the U.S. Army Air Service late in World War I and in the postwar occupation. The collection contains materials relating to his training in the United States and his service overseas.