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Photos

Snapshots of what’s happening in the Defense Department.

A tomb sentinel guards the Tomb of the Unknown Soldier during the first snow of the year in Arlington National Cemetery in Arlington, Va., Jan. 6, 2015. The soldier is assigned to 3rd U.S. Infantry Regiment, known as "The Old Guard."

WINTER WALK

A tomb sentinel guards the Tomb of the Unknown Soldier during the first snow of the year in Arlington National Cemetery in Arlington, Va., Jan. 6, 2015. The soldier is assigned to 3rd U.S. Infantry Regiment, known as "The Old Guard."

Photo Gallery