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This is mentioned in the lead, but not elsewhere, so it needs a reference.

The information presented on this seems to be based on Vol. 3 of Clay's US Army Order of Battle 1919-1941. However that source indicates that Headquarters, First Army Air Service was newly constituted on 15 October 1921 and not a reconstituted version of the World War I organization. Clay, p. 1263. Lineagegeek ( talk) 22:46, 11 January 2024 (UTC) reply