https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/441494Edit ImageSaveSaveEditCropCustom TextER-2 tail number 709, was one of two Airborne Science ER-2s used as science platforms by Dryden. 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 3039 x 2430 px | 300 dpiTIFF 3039 x 2430 px | 300 dpi | 42.29 MBFree DownloadER-2 tail number 709, was one of two Airborne Science ER-2s used as science platforms by Dryden. Original from NASA. Digitally enhanced by rawpixel.More