"The news today is that the essence of the mission is changing and the number of deployed military personnel will be determined over time, depending on the task at hand," RIA Novosti quoted her as saying.
Psaki noted that the mission of the US military "from a combat will become more of a mission of training, assistance and support."
In April, the US ambassador to Baghdad, Matthew Tuller, said the United States had no plans to increase its military presence in Iraq.