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.

Ray (1894-1969) and Leonard (1888-1971) Grimshaw were brothers who served as mechanics during World War I. The collection contains correspondence, military documents, photographs, clippings, newspapers, a diary, and booklets primarily relating to the military service of Ray M. Grimshaw but also includes a small selection of correspondence from his brother, Leonard.