Second Battalion of the IX Coast Artillery Corps demonstrating the hollow square formation used in the event of a street… https://www.rawpixel.com/image/8803003/photo-image-people-vintage-crowdFree Image from public domain licenseBayonet practice. Camp Bowie, Fort Worth, Texas., ca. 1918. Original public domain image from Flickr https://www.rawpixel.com/image/8802989/photo-image-people-water-vintageFree Image from public domain licenseThe American Red Cross Home Service gives comfort and reassurance to American soldiers who are anxious about the welfare of… https://www.rawpixel.com/image/8770152/photo-image-person-families-redFree Image from public domain licenseTwo unidentified WWI soldiers standing next to a sideboard in a wooodworking and cabinetmaking workshop at Oatlands Park… https://www.rawpixel.com/image/13027588/image-face-person-technologyFree Image from public domain licenseWar nurse vintage character paper element with white border https://www.rawpixel.com/image/9333651/image-person-art-vintageView license