https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/8799373Edit ImageSaveSaveEditCropCustom TextReturning from a U-Boat scouting party. Aerial naval observer coming down from a "Blimp" type balloon after a scouting tour somewhere on the Atlantic Coast. Central News Photo Service., ca. 1918. Original public domain image from FlickrMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 956 x 1200 px | 300 dpiLarge JPEG 2391 x 3000 px | 300 dpiFree DownloadReturning from a U-Boat scouting party. Aerial naval observer coming down from a "Blimp" type balloon after a scouting tour somewhere on the Atlantic Coast. Central News Photo Service., ca. 1918. Original public domain image from FlickrMore