Authorities Monday said a 26-year-old man killed when his motorcycle veered off a curving roadway and struck a tree in the San Pasqual area was an active-duty Camp Pendleton Marine.

Steven Michael Cox of San Diego apparently lost control of his westbound motorcycle when he took a curve too fast in the 18200 block of San Pasqual Valley Road around 3:45 p.m. Sunday, according to San Diego police and the county Medical Examiner’s Office.

Cox died at the scene, authorities said.

—City News Service

Chris Jennewein is founder and senior editor of Times of San Diego.