MULLEN ARRIVAL Navy Adm. Mike Mullen, right, chairman of the Joint Chiefs of Staff, arrives at the U.S. Capitol before the start of the 56th Presidential Inauguration in Washington, D.C., Jan. 20, 2009. More than 5,000 men and women in uniform are providing military ceremonial support to the presidential inauguration, a tradition dating back to George Washington's 1789 inauguration. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 752009-G-RDS60-512.jpg Photo Gallery