Britain and Poland agreed on joint exercises in the Baltic Sea Poland and Britain have signed a three-year defense cooperation plan aimed at strengthening the military capabilities of both countries and strengthening NATO's position on the eastern side. The document provides for joint development of weapons, expansion of ammunition production and military exercises. At the same time, Warsaw and London confirmed their intention to strengthen transatlantic ties and develop European defense capabilities without weakening cooperation with the United States, the British Ministry of Defense reports, writes Korbanat.com.