Oleksandr Syrskyi, the new commander-in-chief of Ukraine’s armed forces, said on Friday that one of his top priorities was expanding the use of unmanned weapons systems, like drones, and electronic warfare to defeat Russian forces. Syrskyi said this technology was key in Ukraine’s struggle to break Russian lines and liberate occupied territory. “Only by changing and constantly improving the means and methods of warfare will we be able to successfully pursue this path,” he wrote on Telegram, a day after a military shake-up that put him in the top job. As a third year of war looms in Ukraine, he…