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This "Mercury" fabric insignia represented the 139th Aero Squadron of the United States Army Air Service during World War I. It was removed from a Spad 13 belonging to the unit.

The 139th Aero Squadron was a day pursuit (fighter) squadron as part of the 2d Pursuit Group, First United States Army. After the 1918 Armistice with Germany the squadron returned to the United States in June 1919 and was demobilized.

 Display Status

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Object Details
Country of Origin France Type MEMORABILIA-World War I Physical Description United States Army Air Service (USAAS) 139th Aero Squadron aircraft fabric insignia; Roman god Mercury depicted in white paint on olive-green camouflage background fabric; six red, white, and blue American roundels depicted; 34 black German crosses depicted. Dimensions 2-D - Unframed (H x W): 56.5 x 90.8cm (22 1/4 x 35 3/4 in.)
 Materials Overall: painted and doped linen
 Inventory Number A20060426000 Credit Line Donated by the family of Robert S. Sanford Data Source National Air and Space Museum Restrictions & Rights Usage conditions apply
For more information, visit the Smithsonians Terms of Use.