U.S. Army Reserve combat engineer Soldiers assigned to the 374th Engineer Company, of Concord, California, pull security… https://www.rawpixel.com/image/8741486/photo-image-public-domain-peopleFree Image from public domain licenseU.S. Soldiers of Company C, 1/189th Aviation Regiment, South Dakota Army National Guard, hoist a simulated wounded soldier… https://www.rawpixel.com/image/8728242/photo-image-public-domain-person-manFree Image from public domain license