Purposefully or not, President Trump's comments at the recent NATO summit have brought some sobering truths to the fore.
“This is not fair to the people and taxpayers of the United States," Trump said in Brussels.
The president has held a variety of conflicting views about the decades-old alliance in just a few months.
Ahead of the NATO Summit, we take a look at the alliance’s history.For starters, it was established in 1949 with a mission of halting the spread of Soviet-led communism.