NATIONAL GUARD CONFERENCE Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, addresses about 2,500 Army and Air Guardsmen at the annual National Guard Joint Senior Leadership Conference in National Harbor, Md., Nov. 19, 2009. SHARE IMAGE: Download Image: Full Size (0.05 MB) Photo By: VIRIN: 259609-M-KAI94-342.jpg Photo Gallery