The U.S. didn't launch a war over whether there were some leftovers from the war vs Iran.
It was about ongoing programs, including a whole bunch of horse droppings about yellowcake uranium enrichment.
Pedantically saying but there were some old shells of gas misses the entire point.
The US ginned up a war on false pretenses, leading to millions dying.
Your um actually on some trivia ain't helpful or interesting