https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/418592Edit ImageSaveSaveEditCropCustom TextNASA's Stratospheric Observatory for Infrared Astronomy (SOFIA) was airborne for almost two hours during its first check flight at Waco, Texas on April 26, 2007. Original from NASA. Digitally enhanced by rawpixel.MorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseJPEGTIFFSmall JPEG 1200 x 960 px | 300 dpiLarge JPEG 3000 x 2400 px | 300 dpiTIFF 3000 x 2400 px | 300 dpi | 41.24 MBFree DownloadNASA's Stratospheric Observatory for Infrared Astronomy (SOFIA) was airborne for almost two hours during its first check flight at Waco, Texas on April 26, 2007. Original from NASA. Digitally enhanced by rawpixel.More