File:Le Pere-Liberty 400 aurcraft used to set world altitude record.jpg

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Summary

Description	English: Le Pere-Liberty 400 aircraft used to set world altitude record on Feb. 27, 1920
Date	1920
Source	Maurer Maurer, 1987, Aviation in the US. Army, 1919-1938, United States Air Force Historical Research Center, Office of Air Force History, United States Air Force, Washington, D.C.
Author	United States Air Force

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