On 12 February 1988, the U.S. Navy cruiser USS Yorktown, while exercising the "right of innocent passage" for a spy mission… https://www.rawpixel.com/image/8718539/photo-image-vintage-public-domain-oceanFree Image from public domain licenseWoman holiday journey travel relaxation https://www.rawpixel.com/image/811/free-photo-image-calm-camera-casualView licenseGetuigschrift van deelname door sergeant N. Molenaar aan de demonstraties en lichaamsoefeningen, 8-11 augustus 1917 (1917)… https://www.rawpixel.com/image/13785421/image-paper-face-personFree Image from public domain license