Charleen Carroll listened intently from her front row seat hearing memories and tributes to her brother Brock Elliott who was the first soldier to die in the Vietnam War from Manteca as some 800 students Thursday crowded into an outside assembly quad at the school named in the fallen Marine’s honor.Carroll said she hadn’t missed but a couple of the tributes to her brother over the years at school built in his name on land where he once played with friends as a boy. Elliott was a rifleman and point man with his advancing team when he was killed May 26, 1967 by a sniper. It was almost a year to the day later when Marine Pfc.