Adm. Mike Mullen and his wife Deborah go through the side boys as they are piped ashore
The 17th Chairman of the Joint Chiefs of Staff, U.S. Navy Adm. Mike Mullen and his wife Deborah go through the side boys as they are piped ashore at the chairman of the Joint Chiefs of Staff change of responsibility ceremony on Summerall Field, Joint Base Myer-Henderson Hall, Va., on Sept. 30, 2011. Mullen is retiring after 43 years of service as U.S. Army Gen. Martin Dempsey takes over as chairman.