Israel is widely believed to possess nuclear weapons. Estimates of Israel's stockpile range from 90 to 400 warheads, and the country is believed to possess a nuclear triad of delivery options: by F-15 and F-16 fighters, by Dolphin-class submarine-launched cruise missiles, and by the Jericho series of medium to intercontinental range ballistic missiles. Its first deliverable nuclear weapon is estimated to have been completed in late 1966 or early 1967, which would have made it the sixth of nine nuclear-armed countries.
Israel maintains a policy of deliberate ambiguity, neither formally denying nor admitting to having nuclear weapons, instead repeating over the years that "Israel will not be the first country to introduce nuclear weapons to the Middle East".