The accident was reported at 3 p.m. at 2000 Goetz Road near Perris Valley Airport. The male victim was declared dead at the scene, and a U.S. flag was draped over the body.
The sheriff's department said the Marine was doing active duty training. The Marine's name has not been released.
The cause of the accident has not been determined.
DEVELOPING: We will add more details to this report as they become available.
