Italian armed forces have undergone important transformations since the end of the Cold War. Exogenous changes in the strategic and operational environment have driven a reshaping of armed forces in all NATO countries, but the differences between the national responses that have emerged has not always been thoroughly analysed. Deep restructuring in military doctrine, field experience linked to intense force deployment and budgetary constraints interact in shaping the direction of transformation, sometimes in ways that deviate from classic hypotheses on what drives change in the military. The picture that emerges is a complex one, where relevant innovations co-exist with the persistence of problems that call into question the sustainability of the Italian defence model