”Russia will have a strong incentive to take a once-in-a-lifetime opportunity to break NATO while the US cannot reinforce Europe effectively.”

”Will there be time to put our defences in order... or will the awful words "too late" be recorded?”

https://www.rusi.org/explore-our-research/publications/commentary/europe-must-urgently-prepare-deter-russia-without-large-scale-us-support