According to the Iraqi police sources, the US vehicles carried more than 100 military ammunition from Jordan to Iraq.
The military vehicles heading to the Anbar province of Baghdad sub-district of Aynulesed Military Airbase.
US President Donald Trump met with his troops during his surprise visit to Iraq at the end of last year.
After the ISIS occupation in Iraq in 2014, there are estimated to be 5,000 to 10,000 American soldiers.