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Pin, Lapel, 1st Aero Squadron, United States Army Air Service


Display Status:

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.

Collection Item Summary:

Worn by members of the 1st Aero Squadron of the American Expeditionary Force who served in World War I. The 1st Aero Squadron was first established on 5 March 1913 and served on the Western Front from April - November 1918.

Collection Item Long Description:

Data Source

National Air and Space Museum


Do not reproduce without permission from the Smithsonian Institution, National Air and Space Museum

Credit Line

Donated by Col John D. Hartigan


  • Silver Alloy
  • Non-Magnetic White Metal Alloy
  • Solder


3-D (Diameter x Depth): 2.4 × 0.8cm (15/16 × 5/16 in.)

Country of Origin

United States of America

Physical Description

United States Army Air Service Lapel pin, Insignia of the 1st Aero Squadron, U.S. Army Air Service; fabricated steel badge, base metal, American Flag in center of circle; pin back fastener.



Inventory Number


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