Identifier2014-09-18_image_441SourceThe Nancy Harkness Collection of World War I Photograph Albums (2014-09-18), Album 3DescriptionPhotograph of a SPAD XIII aircraft (fuselage number 18) of the 91st Aero Squadron, circa 1917-1919. The squadron's "knight and devil" emblem is visible on the fuselage. Three German crosses are painted on the knight's shield, signifying three aerial victories.
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[SPAD XIII aircraft of 91st Aero Squadron], [2014-09-18_image_441]. Museum of Flight Digital Collections, accessed 17/12/2025, https://digitalcollections.museumofflight.org/nodes/view/17533