https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/3322283Edit ImageSaveSaveEditCropCustom TextArtist's conception shows a manned space laboratory powered by a nuclear reactor (extreme left). Original public domain image from FlickrMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 963 px | 300 dpiLarge JPEG 3200 x 2567 px | 300 dpiFree DownloadArtist's conception shows a manned space laboratory powered by a nuclear reactor (extreme left). Original public domain image from FlickrMore