Since NATO’s creation, the European nations have, in the main, been shirking their obligations to the alliance and with that betraying their fellow alliance members. Then-President Jack Kennedy (D) was among the first American government officials to grow tired of that shirking and to object to it out loud.
John F Kennedy in 1963 told his National Security Council that “we cannot continue to pay for the military protection of Europe while the NATO states are not paying their fair share.”
Then it was then-Deputy Defense Secretary Frank Carlucci in 1981 in front of the Munich Security Conference: