"A U.S. Marine replaces the Iraqi flag at the entrance to Iraq's main port of Umm Qasr on March 21, 2003 with the Stars and Stripes and the flag of the Marine Corps. Marines briefly raised the U.S. flag over Umm Qasr after facing tougher than expected resistance in and around the southern Iraq port. Some time later, the flag was removed. No reason was given for the decision.. (Desmond Boylan/Reuters) "