https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12339533Edit ImageSaveSaveEditCropCustom TextB-29 Super Fortress on display at Washington National Airport. Note fuel tanks in foreground which is necessary to fill fuel tanks--equivalent to railroad tank car. Sourced from the Library of Congress.View public domain image source hereMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGTIFFSmall JPEG 1200 x 959 px | 300 dpiLarge JPEG 3500 x 2798 px | 300 dpiBest Quality JPEG 9564 x 7647 px | 300 dpiTIFF 9564 x 7647 px | 300 dpi | 139.52 MBFree DownloadB-29 Super Fortress on display at Washington National Airport. Note fuel tanks in foreground which is necessary to fill fuel tanks--equivalent to railroad tank car. Sourced from the Library of Congress.More