    Sentence t, Pursuant to. the Nunn-Lugar-  Domenici Domestic Preparedness Program,  the Defense Department began in 1997 to  train first. responders in 120 of the  nation’s largest cities.    Sentence, 2: The _ Nunn-Lugar-Domenici  Domestic Preparedness Program helps  ensure first responders are trained to  respond to disasters in urban areas.