CAMP PENDLETON, Calif. >> A U.S. Marine from California was identified by military officials Sunday as one of four people killed when a plane contracted by the U.S. military crashed in a rice field in the southern Philippines.

Sgt. Jacob M. Durham died Thursday in the crash of an aircraft that was conducting a routine mission “providing intelligence, surveillance, and reconnaissance support at the request of our Philippine allies,” officials at Camp Pendleton, California, said in a statement. Officials said the cause of the crash was under investigation.

Durham’s age and the California city where he was from were not included in the statement. Officials did not immediately respond to emails requesting that information.

— The Associated Press