FORT SAM HOUSTON, Texas - Lt. Gen. Guillermo Porcile Arellano (left), Chilean Military Defense Attaché, Chilean Embassy receives a mission brief from Maj. Gen. Simeon G. Trombitas (right), commanding general, U.S. Army South, Headquarters and Headquarters Battalion during a visit here, April 1-4. Porcile wanted to take the opportunity, as the new Chilean Attaché, to familiarize himself with the working of Army South