FILE - A Ukrainian serviceman carries a U.S. Stinger air-defense missile launcher on the front line in the Zaporizhzhia region of Ukraine, on Tuesday, May 28, 2024. Russian troops are forging through Ukraine's defenses along the front line in a relentless onslaught this summer, prompting the West to push for new weapons and strategies to shore up Kyiv. (AP Photo/Andriy Andriyenko, File)