SAN DIEGO (Border Report) — Ten months ago, Osprey aircraft and personnel carriers dropped off a small contingency of Marines in San Diego’s Otay Mesa in what was reminiscent of a war movie.

A massive training exercise involving thousands of Marines from California and Arizona will get underway Monday under the direction Camp Pendleton’s 1st Marine Expeditionary Force. Navy bases in San ...

An statement issued by the Corps said the service member assigned to the I Marine Expeditionary Force “died as a result of injuries sustained in a tactical vehicle mishap during routine training.” The ...

Marines with 1st Combat Engineer Battalion, armed with rifles and chain saws, move into position along the southern border to conduct vegetation clearance operations near Yuma, Dec. 18, 2025. Hundreds ...