The topic being addressed by NATO defence ministers comes after the United States imposed restrictions on Chinese tech giant Huawei
There are currently around 14,000 US troops and 16,000 personnel from NATO and its allies in Afghanistan
Trump has frequently blasted members of the 29-nation western security partnership for not paying more into their national defense budgets
Anti-NATO protests were also organised on Saturday in Bergen, Norway's second largest city, and the southern city of Kristiansand
French President Emmanuel Macron, countered the claim, saying Nato's spending commitments remained the same
Trump's criticism of America's allies comes days ahead of his meeting with his Russian counterpart Vladimir Putin in Helsinki on July 16
Trump's surprise demand came after he clashed with Chancellor Angela Merkel, calling Germany a "captive" of Russia
Trump openly questioned the value of the generations-old alliance ahead of the meeting and linked US spending for Europe's defence with America's trade deficit with the world's largest trading bloc
Then there's the long shadow cast by Vladimir Putin, and fears in some allied capitals at what Trump might offer the Russian leader at their summit in Helsinki next Monday
Donald Trump assured that US stands firmly behind Article Five of NATO defence pact
Trump made no mention of his commitment to NATO's Article 5 collective defence guarantee
He also thanked the Chancellor for her leadership in supporting Nato and its efforts in Afghanistan
The meeting with Merkel will also allow Trump to discuss peace efforts in Ukraine
NATO had decided to freeze its relations after Russia illegally annexed the Crimean peninsula
First such contact since NATO suspended dialogue with Russia in 2014 after Crimea's annexation
Russia says the time when the West called the shots was over while Nato was a relic of the Cold War
To spend at least 2% of their GDP on defence
He also sought to reassure allies about President Donald Trump's commitment to the alliance
Trump accepted Merkel's invitation to attend the G20 Summit of developed and emerging countries
Hearkening back to language not employed in the United States since the 1930s