16, the same day that U.K. Prime Minister Keir Starmer signed a 100-year partnership agreement with Zelensky. Zelensky and Crosetto discussed defense support and security guarantees for Ukraine, the presidential office said. Topics addressed included bolstering air defense systems, training Ukrainian personnel in Italy, and joint defense production. The president highlighted the importance of investing in Ukraine's defense industry, particularly drone production. Ukraine's future NATO membership as "the most effective" security guarantee possible, one that would advance "a just and lasting peace for all Europe." The leaders also discussed plans for the Ukraine Recovery Conference, scheduled to take place in Rome July 10-11. Zelensky thanked Crosetto and the Italian government for the country's 10th military aid package to Ukraine, approved last month.