Gen. Raymond T. Odierno, Army chief of staff, presented coins of excellence during a brief ceremony in the 25th Infantry Division Headquarters to Sgt. 1st Class Eddie Duff, with Headquarters and Headquarters Battery, 2nd Battalion, 11th Field Artillery, 2nd Brigade Combat Team; Staff Sgt. Holly Hepfl with 25th Combat Aviation Brigade; Sgt. Samara Burnett with Operations Company, Headquarters and Headquarters Battalion, 25th Infantry Division; and Spc. Luke Hernandez with Headquarters and Headquarters Company, 2nd Battalion, 35th Infantry Regiment, 3rd Brigade Combat Team, for their recent personal and professional achievements.