https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/440216Edit ImageSaveSaveEditCropCustom TextAnalyzing a piece of the film that the History Detectives believed was from the Echo II Project. Original from NASA. Digitally enhanced by rawpixel.MorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseJPEGTIFFSmall JPEG 1200 x 1058 px | 300 dpiLarge JPEG 1889 x 1666 px | 300 dpiTIFF 1889 x 1666 px | 300 dpi | 18.04 MBFree DownloadAnalyzing a piece of the film that the History Detectives believed was from the Echo II Project. Original from NASA. Digitally enhanced by rawpixel.More