Members of the 5th Battalion, 20th Infantry Regiment in the Green Zone in Baghdad early this year. Behind them is a parade ground used by former leader Saddam Hussein. From left: Staff Sgt. David Plush, Staff Sgt. William Rose, Sgt. 1st Class Corey Oliver, Staff Sgt. Jose Tejada and Staff Sgt. Vincenzo Romeo. Romeo, the son of Italian immigrants and a charismatic squad leader from Lodi, N.J., was killed in May.