Asked about possible U.S. opposition to Iran-Iraq military cooperation, al-Dulaymi said: "No one can prevent us from reaching an agreement."
He pledged also that Iraq will not permit any country to attack Iran from Iraqi territory.
Today's announcement appeared to be a substantial shift in Iraq policy toward Iran. Last year, Iraq curtly refused an Iranian offer to help train Iraqi border guards.
For RFE/RL's full coverage of developments in Iraq, see "The New Iraq"