GAINEY RETIREMENT U.S. Army Command Sgt. Maj. William J. Gainey, left, senior enlisted advisor to the chairman of the Joint Chiefs of Staff, and U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, stand at the retirement ceremony for Gainey, Fort Myer, Arlington, Va., April 25, 2008. Gainey retired after 33 years of service. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 983658-E-QUZ53-109.jpg Photo Gallery