NATO members are set to agree to a goal to increase their defense spending level to 5% of their GDP as a means to address a long-held grievance by President Donald Trump.

NATO foreign ministers on Thursday debated an American demand to massively ramp up defense investment as the United States focuses on security challenges outside of Europe. At talks in Antalya, Turkey,

Secretary of State Marco Rubio told NATO allies that much more defense spending is needed to reinforce the 32-nation security pact.