Lt. Gen. Danilo Errico, Chief of Staff of the Italian Army, participates in an Army Full Honor Wreath-Laying Ceremony at the Tomb of the Unknown Soldier in Arlington National Cemetery, Va., Oct. 17, 2017. The ceremony was hosted by Gen. Mark A. Mille...

Lt. Gen. Danilo Errico, Chief of Staff of the Italian Army, participates in an Army Full Honor Wreath-Laying Ceremony at the Tomb of the Unknown Soldier in Arlington National Cemetery, Va., Oct. 17, 2017. The ceremony was hosted by Gen. Mark A. Mille...

Lt. Gen. Danilo Errico, Chief of Staff of the Italian Army, participates in an Army Full Honor Wreath-Laying Ceremony at the Tomb of the Unknown Soldier in Arlington National Cemetery, Va., Oct. 17, 2017. The ceremony was hosted by Gen. Mark A. Mille...

The ceremony was hosted by Gen. Mark A. Milley, 39th Chief of Staff of the U.S. Army.