U.S. Secretary of State Antony Blinken tours a bunker with U.S. Ambassador to Ukraine Bridget Brink and others at a State Border Guard of Ukraine Detached Commandant Office of Security and Resource Supply site in the Kyiv Oblast, Ukraine, Thursday, Sept. 7, 2023. Secretary Blinken's visit is aimed at assessing Ukraine's 3-month-old counteroffensive and signaling continued U.S. support for the fight. (Brendan Smialowski, Pool Photo via AP)