Serving through the season: Staff Sgt. Lara Koler
Staff Sgt. Lara Koler tracks radar targets at the Western Air Defense Sector at McChord Air Force Base, Wash. A native of Eugene, Ore., Sergeant Koler is an identification technician who will spend this holiday season identifying "tracks of interest," unknown radar blips in the Western U.S. air space, on her radar screen. (U.S. Air Force photo/Randy Rubattino)