The US prohibition on using its weapons to strike Russian territory seriously hampers Ukraine’s efforts to defend against Russian offensive operations in the northern Kharkiv region, reports the Institute for the Study of War (ISW). On May 16, Pentagon spokesperson Sabrina Singh stated that the Biden administration has not changed its position regarding the use of Ukrainian Armed Forces (UAF) with American weapons to strike targets on Russian territory. The administration emphasizes that such weapons can only be used to liberate occupied Ukrainian territory. According to analysts at ISW, these…