President Donald Trump has done an about-face on NATO, the military alliance he once dismissed as ineffective.

Trump said at a White House news conference with NATO Secretary-General Jens Stoltenberg that the organization is "no longer obsolete."

As a candidate Trump said the 28-member organization had outlived its usefulness. Since taking office, he has expressed support for NATO but has reinforced his view that European members must meet a 2014 agreement for member countries to boost defense spending to 2 percent of GDP within a decade. Just the U.S. and a handful of other countries are meeting the target.

Trump says NATO countries will be more secure and the partnership strengthened if other countries pay their fair share and stop relying on the United States.

See the full news conference in the below video, provided by the White House.

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