States marked 'TC' are widely considered technologically capable of wielding, operating or developing nuclear weapons, however are signatories of the
Nuclear Non-Proliferation Treaty (NPT) and are not known to possess any at the current moment.
Japan,
South Korea and
Poland are generally considered
de facto nuclear states due to their believed ability to wield nuclear weapons within 1 to 3 years.
South Africa produced six nuclear weapons in the 1980s, but dismantled them in the early 1990s. South Africa signed the NPT in 1991. ==Combat aircraft by country==