U.S. Marines test LAV mortar and drone integration in Puerto Rico

U.S. Marines from the 22nd Marine Expeditionary Unit conducted an extensive series of combined arms training exercises at Camp Santiago, Puerto Rico, throughout March 2026, integrating light armored vehicles, attack and reconnaissance drones, vehicle-mounted mortar systems, and MV-22B Osprey assault operations into a sustained training package that tested the unit’s full expeditionary combat capability.