Rear Adm. David Simpson USF-I J6/HQ, speaks to Signal Corps Soldiers as Signaliers from across Iraq filled the ballroom of the Al Faw Palace, June 5, as they attended the Signal Corps leader conference. And in part, to celebrate the 150th anniversary of being the voice of the United States Army as the event took place on the Signal Corps birthday. The main purpose of leader conference was to ensure open communication for Soldiers in the Signal Corps.