Human Interest Sailor and 8 Marines Killed in Training Accident Off Calif. Coast Identified by Military Officials All of the service member victims were between 18 and 23 years old, according to the 15th Marine Expeditionary Force By Joelle Goldstein Joelle Goldstein Twitter Joelle Goldstein is a TV Staff Editor for PEOPLE Digital. She has been with the brand for five years, beginning her time as a digital news writer, where she covered everything from entertainment news to crime stories and royal tours. Since then, she has worked as a writer-reporter on the Human Interest team and an associate editor on the TV team. In her current role, Joelle oversees all things TV and enjoys being able to say she has to watch The Kardashians, Dancing with the Stars and America's Got Talent for "work". Prior to joining PEOPLE, Joelle was employed at The Hollywood Reporter. She graduated from Ithaca College with a degree in Television-Radio (and an appearance in the NCAA Women's Volleyball Final Four!) People Editorial Guidelines Published on August 3, 2020 11:57 AM Share Tweet Pin Email (L-R) Christopher Gnem, Evan Bath, Wesley Rodd, Cesar Villanueva, Chase Sweetwood. Photo: Facebook (2); Gofundme; Facebook; Gofundme The eight U.S. Marines and one sailor, who were all killed in a training accident off the coast of Southern California on Thursday, have been identified by military officials. The 15th Marine Expeditionary Force released the identities of the victims in a press release on Sunday evening and noted that although they never recovered the bodies of the seven missing Marines and one sailor, all were presumed to be dead. The victims included 18-year-old Pfc. Bryan J. Baltierra of Corona, California; 21-year-old Lance Cpl. Marco A. Barranco of Montebello, California; 19-year-old Pfc. Evan A. Bath of Oak Creek, Wisconsin; 22-year-old US Navy Hospitalman Christopher Gnem of Stockton, California; 21-year-old Pfc. Jack Ryan Ostrovsky of Bend, Oregon; 23-year-old Cpl. Wesley A. Rodd of Harris, Texas; 19-year-old rifleman Lance Cpl. Chase D. Sweetwood of Portland, Oregon; and 21-year-old Cpl. Cesar A. Villanueva of Riverside, California. Lance Cpl. Guillermo S. Perez, 20, of New Braunfels, Texas, was also pronounced dead at the scene on Thursday, according to the press release. Perez was a rifleman with Bravo Company, Battalion Landing Team (BLT) 1/4, officials said. Two other Marines who were injured in the accident were airlifted to Scripps Memorial Hospital following the incident. Both were initially in critical condition, but officials revealed one of them, a Marine AAV crew member with Mechanized Co., BLT 1/4, has since been upgraded to stable condition, according to the press release. Their identities have not been released. Service members on a training mission. Marine Expeditionary Force 7 Marines and a Sailor Feared Dead as Search Called Off After Training Accident Off Calif. Coast Following the tragedy, some of the victims' loved ones spoke out about their heartbreak. Baltierra's mother, Evelyn, noted that her son died on the one-year anniversary of his Marine Corps enlistment and said he always dreamed of serving from the time he was a young boy, The Orange County Register reported. "He was able to achieve his dream," she told the outlet, adding that he was always positive, and popular with everyone he met. "There were always lots of smiles and laughs with whomever he was with." "As his parents, my husband and I always [worried] about his safety — but we had full confidence that he was going to be in good hands with the Marines," Evelyn added. Marine Dead, 8 Missing After 'Tragic' Training Accident in California: 'We Are Deeply Saddened' A total of 15 Marines and one sailor were involved in Thursday's accident, which occurred inside an amphibious assault vehicle (AAV) during a 15th Marine Expeditionary Unit (MEU) and Makin Island Amphibious Ready Group routine training exercise near San Clemente Island. According to the United States Naval Institution, the AAV has been the "primary infantry sea-to-land transport vehicle since the 1970s," and the Marines are currently testing its replacement. Five Marines were rescued and brought aboard USS Somerset, while search and rescue efforts were launched with help from the U.S. Navy and Coast Guard to search for the eight missing service members. On Saturday, the MEU, MEF, and the Makin Island Amphibious Ready Group announced they had concluded the extensive 40-hour search, which spanned more than 1,000 square nautical miles. The incident remains under investigation by officials, according to the press release.