Herman Butler, originally of Belleville, Washington, served as a pilot during World War I and after with the U.S.A. School of Aerial Photography at Langley Field. The collection contains materials relating to the Butler's wartime and postwar service.

The G. W. Charters Notebooks are comprised of three notebooks containing training notes of a World War I Army pilot.

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.

The collection contains a World War I era scrapbook photograph album assembled by Edward I. Sproull (1897-1956) while in training at Ohio State University and subsequently serving as a pilot with the A.E.F. and the American Squadron of the French Military Air Force in France.