https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/3322416Edit ImageSaveSaveEditCropCustom TextOperation castle bravo- first thermal shot. (Nov 1, 1954). Original public domain image from FlickrMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 977 px | 300 dpiLarge JPEG 3000 x 2443 px | 300 dpiFree DownloadOperation castle bravo- first thermal shot. (Nov 1, 1954). Original public domain image from FlickrMore