Deputy Prime Minister and Minister of National defence Władysław Kosiniak-Kamysz and British Secretary of defence Wes Streeting signed a three-year defence Cooperation Plan today. The paper represents the applicable implementation of the treaty on partnership in the field of safety and defense—the alleged Northolt Treaty—signed on May 27 of this year by Prime Ministers Donald Tusk and Keir Starmer. A fresh generation of anti-aircraft missiles was cited as 1 of the areas of cooperation.