The US Ambassador to NATO, Matt Whittaker, cautioned that several European member states are failing to meet their pledged defense spending commitments made to former President Donald Trump. This warning comes ahead of a crucial NATO summit in Ankara. Whittaker highlighted a shortfall in fulfilling the agreement to increase defense expenditures. The issue has been a longstanding point of contention, with the US urging allies to contribute more to collective security. This shortfall potentially strains transatlantic relations and the alliance’s overall strength. The upcoming summit is expected to address these concerns and reinforce the importance of burden-sharing within NATO. The ambassador's statement underscores ongoing pressure for European nations to bolster their defense budgets.