"Since October 2007, Admiral Mullen has served as the United States' 17th chairman of the Joint Chiefs of Staff and is the highest-ranking member of the U.S. Armed Forces," CBS noted in a news release Thursday.
"First nominated and confirmed to the post under President George W. Bush, he was re-nominated to a second term by President Barack Obama in 2009 and re-confirmed in October of that year. Admiral Mullen will retire at the end of his term on Sept. 30, 2011."
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