https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/441531Edit ImageSaveSaveEditCropCustom TextThe Helios Prototype is an enlarged version of the Centurion flying wing, which flew a series of test flights at Dryden in late 1998. Original from NASA . Digitally enhanced by rawpixel.MorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseJPEGTIFFLandscape Card 7 x 5" JPEG 2000 x 1430 px | 300 dpiLarge JPEG 3500 x 2503 px | 300 dpiBest Quality JPEG 4080 x 2918 px | 300 dpiLandscape Card 7 x 5" TIFF 2000 x 1430 px | 300 dpiBest Quality TIFF 4080 x 2918 px | 300 dpi | 68.17 MBFree DownloadThe Helios Prototype is an enlarged version of the Centurion flying wing, which flew a series of test flights at Dryden in late 1998. Original from NASA . Digitally enhanced by rawpixel.More