WASHINGTON - SEPTEMBER 15: Chairman of the Joint Chiefs of Staff U.S. Navy Admiral Mike Mullen (L) greets Senate Armed Services Committee Chairman Carl Levin (D-MI) (C), Sen. Joe Lieberman (I-CT) (2nd L) and Sen. John McCain (R-AZ) (R) before testifying during Mullen's reappointment hearing September 15, 2009 in Washington, DC. Mullen was originally appointed by former President George W. Bush but has remained in his post as chairman under President Barack Obama, who has shown support for Mullen.