A U.S. Marine with Force Reconnaissance Company, 3rd Reconnaissance Battalion, 3rd Marine Division, III Marine Expeditionary… https://www.rawpixel.com/image/3317848/free-photo-image-visit-3rd-mardiv-marine-divisionFree Image from public domain licenseA U.S. Sailor aboard the submarine tender USS Frank Cable (AS 40) fires a .50-caliber M2HB machine gun Jan. 21, 2011, during… https://www.rawpixel.com/image/8728398/photo-image-public-domain-person-manFree Image from public domain license