NATO celebrates its 75th birthday with the war in Ukraine in the background and the alert about a possible return of Trump. The return of the unpredictable Donald Trump to the White House threatens to translate into a break in the cohesion achieved to date.

This week's double day of ministerial summit has served to lay the foundations for the great summit that will host the 32 allied leaders next July, four months before the presidential elections in the United States. The Washington meeting will be a litmus test for Euro-Atlantic unity and for its support for Ukraine.