In the United States, NATO Secretary-General Jens Stoltenberg late visited. His presence behind the ocean and his meetings with American decision-makers were, of course, intended to proceed the preparations for the upcoming (importantly) anniversary (symbolic) NATO summit (1949-2024). **It is due to take place in the U.S. capital and be an crucial signal about the constituency of transatlantic space, above all in the face of fresh safety and defence challenges**.