Ukrainian forces face shortages of artillery shells and have to scale down some military operations due to a decrease in foreign aid, Brigadier General Oleksandr Tarnavskyi said in a comment for Reuters on Dec. 18. Foreign defense deliveries began running dry as $61 billion from the U.S. remains stuck in Congress due to political infighting, and Hungary blocked the $55 billion in EU funding for Kyiv. “There’s a problem with ammunition, especially post-Soviet (shells) – that’s 122 mm, 152 mm. And today, these problems exist across the entire front line,” said Tarnavskyi, who commands the Tavria…