This is known as a propaganda photo-op
The Force has a strong influence on the weak-minded.
And, of course, eyes roll at the Doublethink.
The New York Pravda says it's all good, the combat troops all left today but:
...The Obama administration had already committed itself to reducing American troops in Iraq to 50,000 by the end of August, a goal the White House on Wednesday said would be met. Administration officials and experts outside government say, however, that carrying out the agreement that calls for removing all American forces by the end of 2011 will be far more challenging...