Harry Truman actually said...

I cannot urge too strongly that the Congress take action on these bills at once.

These changes however do not go the full way to meet the Prime Minister's objections to the original arrangements.

Nevertheless the Prime Minister, while not withdrawing his objections, expressed his readiness to allow the appointment of a Supreme Command...

He reserved the right to bring forward modifications for the consideration of NATO, if he so desired, at a later stage.