President Barack Obama greets Navy Lt. Cmdr. Roger Dubé in Washington, D.C., Jan. 17, 2013. President Obama thanked Joint Task Force-National Capital Region staff for their support and hard work in preparation for the 57th Presidential Inauguration. More than 5,000 service members from all five branches of the military are working with JTF-NCR to support the inauguration, Jan. 21, 2013. (DoD photo by Staff Sgt. Alexandria Brimage-Gray/Released)