A U.S. Marine, who suffered serious injuries after it is believed he jumped on a grenade to protect a fellow Marine as they stood guard on a rooftop in Afghanistan's Helmand province, will receive the nation's highest combat valor honor, The Marine Times reported, citing unnamed sources. William Kyle Carpenter, 24, who medically retired as a corporal, is expected the receive the Medal of Honor later this year, the report said. Carpenter lost his right eye, most of his teeth and shattered his mouth and arm in the November 2010 grenade attack, the report said...