High Quality Content by WIKIPEDIA articles! The LVTP-5 (Landing Vehicle, Tracked, Personnel) was a family of amphibious armored fighting vehicles used by the United States Marine Corps. It was designed by the BorgWarner company and built by FMC (Food Machinery Corporation) along with a few other companies. It was first accepted into service in 1956. Some 1,124 basic units were produced, plus the specialist variants, and many saw action in the Vietnam War.