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Photos

Snapshots of what’s happening in the Defense Department.

Navy Adm. Mike Mullen, outgoing chairman of the Joint Chiefs of Staff, delivers remarks during the change of responsibility ceremony on Joint Base Myer-Henderson Hall, Va., Sept. 30, 2011. Army Gen. Martin E. Dempsey became the 18th chairman of the Joint Chiefs of Staff during the ceremony, succeeding Mullen who retired after 43 years of military service.

Navy Adm. Mike Mullen, outgoing chairman of the Joint Chiefs of Staff, delivers remarks during the change of responsibility ceremony on Joint Base Myer-Henderson Hall, Va., Sept. 30, 2011. Army Gen. Martin E. Dempsey became the 18th chairman of the Joint Chiefs of Staff during the ceremony, succeeding Mullen who retired after 43 years of military service.

Navy Adm. Mike Mullen, outgoing chairman of the Joint Chiefs of Staff, delivers remarks during the change of responsibility ceremony on Joint Base Myer-Henderson Hall, Va., Sept. 30, 2011. Army Gen. Martin E. Dempsey became the 18th chairman of the Joint Chiefs of Staff during the ceremony, succeeding Mullen who retired after 43 years of military service.

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