"More than $1 billion worth of shoulder-fired missiles, kamikaze drones and night-vision devices that the United States has sent to Ukraine have not been properly tracked by American officials..."

"... a new Pentagon report concludes, raising concerns they could be stolen or smuggled at a time Congress is debating whether to send more military aid to Kyiv.... 'It was beyond the scope of our evaluation to determine whether there has been diversion of such assistance,' the report stated.... As of last June, the latest data available, the United States had given Ukraine more than 10,000 Javelin anti-tank missiles, 2,500 Stinger surface-to-air missiles and about 750 Kamikaze Switchblade drones, 430 medium-range air-to-air missiles and 23,000 night vision devices. Dangerous combat conditions made it largely impossible for Defense Department officials to travel to the front lines to ensure the weapons were being used as intended...."

From "U.S. Military Aid to Ukraine Was Poorly Tracked, Pentagon Report Concludes/The Defense Department’s inspector general found that American defense officials and diplomats in Washington and Europe had failed to quickly or fully account for all of nearly 40,000 weapons sent to Ukraine" (NYT).