A Massachusetts soldier has died from injuries he suffered last month when his unit was attacked in Afghanistan. The Department of Defense says 38-year-old Master Sgt. Gregory R. Trent of Norton, Massachusetts died Wednesday at the military hospital in Bethesda, Maryland. The department said Trent was wounded July 31st when his unit came under fire in Baktabad. Trent was assigned to the 4th Battalion, 3rd Special Forces Group (Airborne) at Fort Bragg in North Carolina.