The purported efficacy of nuclear deterrence drives nuclear proliferation and therefore increases the risk of nuclear weapons being utilized  By claiming the efficacy of nuclear weapons as a strategic deterrent, the current nuclear powers encourage the proliferation of weapons of mass destruction (Krieger, 2003). To be a part of the so-called 'nuclear club' is seen as a matter of great prestige; when India and Pakistan recently declared their nuclear capability and held mutual tests in the 1990s, it was seen in both countries as increasing their international status. Nevertheless, tensions in the region have only increased since the mutual announcements, not least the Kargil War of 1999 that almost precipitated a nuclear war. Nations opposed to a nuclear power therefore feel that they need to develop their own capability in order to protect themselves. The declared nuclear powers must therefore take the lead in disarmament, as an example for the rest of the world.