FILE - U.S.-made Abrams tanks purchased by Poland take part in a military parade in Warsaw, Poland, on Aug. 15, 2023. European Union countries are buying too much of their defense equipment abroad, almost two thirds of it in the United States, and failing to invest enough in joint military projects, a landmark report on EU competitiveness warned on Monday, Sept. 9, 2024, .(AP Photo/Czarek Sokolowski)