### Who / What
Michael "Mike" Mullen is a retired United States Navy four-star admiral who served as the 17th Chairman of the Joint Chiefs of Staff. He was the principal military advisor to the President and the Secretary of Defense.
### Background & History
Born on October 4, 1946, Mullen rose through the ranks of the U.S. Navy, becoming the 32nd Vice Chief of Naval Operations in 2003. He subsequently commanded United States Naval Forces Europe and Africa, as well as Allied Joint Force Command Naples, from 2004 to 2005. Mullen served as Chairman of the Joint Chiefs of Staff from October 2007 until his retirement in September 2011.
### Why Notable
Admiral Mullen is notable for serving as the highest-ranking military officer in the United States Armed Forces during a critical period that included the wars in Iraq and Afghanistan. He played a key role in shaping U.S. military strategy and advocating for modernization and readiness. His tenure also emphasized strengthening international military partnerships and addressing complex global security challenges.
### In the News
As a retired senior military leader, Mullen occasionally provides commentary on national security and defense policy. His insights remain relevant in discussions about contemporary military affairs and strategic direction.
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