King Frederik of Denmark, right, and King Carl XVI Gustaf of Sweden, left, look on as the Danish Minister of Defence, Troels Lund Poulsen, second right, and his Swedish counterpart Pal Jonson, second left, sign a declaration of intent on defense cooperation at the Stockholm amphibious regiment at the naval station Berga, Sweden, Tuesday, May 7, 2024. (Ida Marie Odgaard/Ritzau Scanpix via AP)