Keywords: stan v. ballard special collection photo stanvballardspecialcollectionphoto â boeing âboeing aviation aircraft airplane bomber military aviation militaryaviation boeing boeing b-17 flying fortress boeingb17flyingfortress boeing b-17 boeingb17 b-17 flying fortress b17flyingfortress b-17 b17 flying fortress flyingfortress boeing flying fortress boeingflyingfortress wright aeronautical wrightaeronautical wright wright r-1820 cyclone wrightr1820cyclone wright r-1820 wrightr1820 wright cyclone wrightcyclone r-1820 r1820 wright cyclone r-1820 wrightcycloner1820 outdoor snow Catalog #: 09_00162 Title: Stan V. Ballard Special Collection Photo Additional Information: Snow-Covered B-17, Corporation Name: Boeing Tags: Stan V. Ballard Special Collection Photo, Boeing Repository: San Diego Air and Space Museum Archive Catalog #: 09_00162 Title: Stan V. Ballard Special Collection Photo Additional Information: Snow-Covered B-17, Corporation Name: Boeing Tags: Stan V. Ballard Special Collection Photo, Boeing Repository: San Diego Air and Space Museum Archive |