Could missing cash delivered to Iraq have ended up back in the US?

Q linked two stories showing how massive amounts of cash disappeared in Iraq.

Here's a story about the purchase of some US manufacturing plants by someone with cash.

https://www.news-gazette.com/news/rantoul-products-successor-leaving-base-sites-for-new-plant/article_99b80e45-29f4-53ad-a727-88281845200c.html