A memorial obelisk is displayed after the U.S. Army's 2nd Battalion, 75th Ranger Regiment memorial ceremony at the battalion's headquarters at Joint Base Lewis-McChord, Wash., Feb. 8, 2011. The names of the fallen Rangers Sgt. Tyler Holtz, Spc. Ricardo Cerros Jr., Pfc. Christopher Horns and Sgt. 1st Class Kristoffer Domeij are now memorialized on the obelisk. (U.S. Army photo by Rafael Tinsay/Released)