A wounded American soldier is loaded into a medic half-track (1944). Original public domain image from Flickr https://www.rawpixel.com/image/8763814/photo-image-books-posters-mapsFree Image from public domain licenseAerial bombing of Barcelona, 17 March 1938, by the Italian air force. https://www.rawpixel.com/image/8718057/photo-image-vintage-smokes-public-domainFree Image from public domain licenseA wounded American soldier is taken from an ambulance into the receiving room of a hospital in France (1944) .Original… https://www.rawpixel.com/image/8764768/photo-image-books-person-postersFree Image from public domain license