 This device was formerly known as the M28 Weapons System.The Davy Crockett itself was the M388 Atomic Round fired from the weapons system, featuring a recoilless rifle either erected and fixed on as freestanding tripod or mounted on the frame of a light utility vehicle, such as the Jeep, the former functioned similarly to other modern rocket propelled rounds (see RPG-7).It was a mounted weapons system, which means that it would be set up, aimed, and fired as a crew-served weapon.