The FV180 Combat Engineer Tractor or C.E.T. is an amphibious specialist armoured vehicle of the British Army and has been in general service since 1976. A tracked, lightly armoured vehicle, with amphibious capability, the CET is used by Royal Engineers in ground preparation for bridge construction and towing activities in the front line of battle, such as digging vehicle fighting pits, constructing earthen barriers, repairing roads, recovery of disabled vehicles from water and other obstacles, preparing riverbanks for vehicle crossings and clearing obstacles.