Pinback button for Kennedy - Johnson 1960 presidential campaign, National Museum of African American History and Culture https://www.rawpixel.com/image/8846909/photo-image-art-vintage-public-domainFree Image from public domain licenseU.S. Marine Corps 1st Lt. Geoffrey B. Miller, a platoon commander with Bravo Company, 1st Battalion, 3rd Marine Regiment… https://www.rawpixel.com/image/8739536/photo-image-public-domain-person-waterFree Image from public domain license