U.S. military personnel are now on the ground in Ukraine, keeping track of and inspecting weapons the U.S. has shipped to Ukrainian forces, a senior defense official announced during a Pentagon background briefing on Monday. These U.S. personnel are some of the first the Pentagon has acknowledged have entered Ukraine since Russia launched its large scale invasion of the country in February. The senior defense official who spoke on background during an official Pentagon event, said, “U.S. personnel have recently resumed on-site inspections to assess weapon stocks in country whenever and wherever the security conditions allow.” The official said “the...