The Italian Army (Esercito Italiano) is the ground defence force of the Italian Republic. It has recently become a professional all-volunteer force of active-duty personnel, numbering 109,703 in 2008. Its best-known combat vehicles are the Dardo infantry fighting vehicle, the Centauro tank destroyer and the Ariete tank, and among its aircraft the Mangusta attack helicopter, recently deployed in UN missions. The Esercito Italiano also has at its disposal a large number of Leopard 1 and M113 armored vehicles.