The shipment was supposed to consist of thousands of 2,000- and 500-pound bombs, with U.S. concern being how the larger explosives could be used in Rafah.
Lung samples from service members they tested found traces of toxic vaporized metals and other hazardous items, well above that of non-deployed personnel.
Congress has passed an $825 billion FY24 defense spending bill, but the plan to get Ukraine military assistance across the finish line remains uncertain.