Official websites use .mil
Secure .mil websites use HTTPS
In this file photo, U.S. Marines with Lima company, 3d Battalion, 7th Marine Regiment, 1st Marine Division, conduct Range 400 during their Marine Corps Combat Readiness Evaluation at Marine Corps Air Ground Combat Center Twentynine Palms, California, Jan. 24, 2022. Range 400 employs realistic live fire training that produces combat-ready forces in preparation for Marine Rotational Force-Darwin.