ISW Russian Offensive Campaign Assessment, Map and Update December 20, 2023 2023年12月21日 ウクライナキーウ・ポスト新聞記事きーうぽすと | copper_moleKyiv PostISW Russian Offensive Campaign Assessment, Map and Update December 20, 2023https://www.kyivpost.com/post/25766War in Ukraine - Latest update, key takeaways and map from the Institute for the Study of War on December 20, 2023
