https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/441510Edit ImageSaveSaveEditCropCustom TextSR-71 with the Linear Aerospike SR-71 Experiment on the rear fuselage as seen from above. Original from NASA . Digitally enhanced by rawpixel.MorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseJPEGTIFFSmall JPEG 1050 x 1200 px | 300 dpiLarge JPEG 2100 x 2400 px | 300 dpiTIFF 2100 x 2400 px | 300 dpi | 28.88 MBFree DownloadSR-71 with the Linear Aerospike SR-71 Experiment on the rear fuselage as seen from above. Original from NASA . Digitally enhanced by rawpixel.More