Sailors rig a barricade during a drill on the flight deck aboard the USS Harry S. Truman on Dec. 2. The ship will continue to foster cooperation with regional allies and partners, strengthen regional stability and remain vigilant, agile and dynamic, according to the Navy photographer.
(U.S. Navy/Rebekah A. Watkins)
From our daily defense photo gallery, we chose our favorite images from across the armed services this year. Scroll the gallery to see our top picks.