President Donald Trump has signaled he will threaten to withdraw the United States from NATO during a speech scheduled for tonight, according to reports.

The threat to leave the transatlantic military alliance represents a significant escalation in Trump's longstanding criticism of NATO, which he has previously described in negative terms. Trump has historically argued that other NATO member countries should increase their defense spending contributions to the alliance.

NATO, established in 1949, serves as the primary military alliance between the United States and its European allies. The organization operates on the principle of collective defense, where an attack on one member is considered an attack on all members.

Any actual withdrawal from NATO would require congressional approval and would mark a dramatic shift in U.S. foreign policy that has remained consistent across multiple administrations since World War II. The alliance currently includes 30 member nations and has been a cornerstone of Western security architecture for over seven decades.

The timing and content of Trump's planned remarks have not been officially confirmed by the White House. NATO officials have not yet responded to the reported threats.