In support of an official event 

The Museum will be closed Sunday, May 25
In addition, the Presidential Gallery will be closed Saturday, May 24

Normal hours will resume on Monday, May 26
 

Creation of the Aeronautical Division

On Aug. 1, 1907, at the recommendation of Maj. George O. Squier, Brig. Gen. James Allen, Chief Signal Officer (1906-1913) of the U.S. Army, established the Aeronautical Division under his office, placing Capt. Charles D. Chandler in command. He tasked this embryonic organization with "all matters pertaining to military ballooning, air machines and kindred subjects." The Aeronautical Division became the first organization to which today's U.S. Air Force can trace an unbroken lineage.

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