A U.S. Marine with 1st Battalion, 7th Marine Regiment, 1st Marine Division, takes control of a U.K. Royal Marine position during Integrated Training Exercise (ITX) 2-19 at Range 220, Marine Corps Air Ground Combat Center, Twentynine Palms, Calif. Feb. 9, 2019. ITX creates a challenging, realistic training environment that produces combat-ready forces capable of operating as an integrated Marine Air Ground Task Force. (U.S. Marine Corps photo by Cpl. Conner Downey)
SAN DIEGO — The Marine Corps is already training to fight a war against a "near peer" adversary such as China or Russia, notably shifting its focus from unsophisticated enemies in the Middle East to those possessing aircraft, communications jamming capability, and unmanned surveillance systems.