Ray Diaz, Staff Sgt. Christopher Diaz’s older brother, gives his remarks during the renaming ceremony of Calcite Road to Diaz Road, April 14, 2017, aboard the Marine Corps Air Ground Combat Center, Twentynine Palms, Calif. The road was renamed in honor of Staff Sgt. Diaz who made the ultimate sacrifice to help a brother in arms while conducting combat operations in Helmand Province, Afghanistan in support of Operation Enduring Freedom. (U.S. Marine Corps photo by Cpl. Medina Ayala-Lo) - Ray Diaz, Staff Sgt. Christopher Diaz’s older brother, gives his remarks during the renaming ceremony of Calcite Road to Diaz Road, April 14, 2017, aboard the Marine Corps Air Ground Combat Center, Twentynine Palms, Calif. The road was renamed in honor of Staff Sgt. Diaz who made the ultimate sacrifice to help a brother in arms while conducting combat operations in Helmand Province, Afghanistan in support of Operation Enduring Freedom. (U.S. Marine Corps photo by Cpl. Medina Ayala-Lo)