Troop carrier is an informal or unofficial term for: a troop carrier truck, a military truck designed to transport military soldiers and light weapons. an armoured personnel carrier or infantry fighting vehicle, whether tracked or wheeled a bus, especially an armored bus, used to carry military personnel any military transport aircraft, whether fixed-wing or helicopter any off-road vehicle with all-wheel drive and, usually, seating for six or more passengers, in addition to the driver in rail transport a specific route, such as the Leamington Transit electric railway, in Canada, during World War I a purpose-built rail car, such as a troop sleeper (US Army, World War II) a troopship or smaller vessel used to carry military personnel Armored Troop Carrier, a riverine patrol vessel introduced by the US military in 1966