United States Marines Corps updates Johnson Valley Shared Use Area planned closure dates
Action Alert
The United States Marine Corps has announced plans to close the Johnson Valley Shared Use area to the public in order to conduct military training during the following time periods:
Feb. 13- 24, 2025
Aug. 14- 25, 2025
Feb. 12- 26, 2026
Aug. 13- 27, 2026
The closure period will include the necessary time required to complete pre- and post-training inspections of the land with the Bureau of Land Management.
Background: In 2006, the Marine Corps adopted new specifications for large-scale training exercises at the Combat Center in Twentynine Palms, Calif. Although the Combat Center has been an effective training site since 1952, it had insufficient land and airspace to meet Marine Expeditionary Brigade sustained, combined-arms, live-fire and maneuver training requirements. These requirements combine the movement of three infantry battalions with aircraft support, ground troops and live fire. To conduct the mandated training, the Combat Center required expansion.
As a requirement of the National Defense Authorization Act for fiscal year 2104 the Resource Management Group was established. The RMG is co-chaired by the Bureau of Land Management and the Marine Corps and provides for the cooperative and coordinated management of the Shared Use Area of Johnson Valley Off-Highway Vehicle Area. The RMG is responsible for communicating land use changes and managing the safe transfer of the Shared Use Area during these two 30-day periods.
When recreating or off-roading in Johnson Valley, always be sure to observe the base boundaries and be aware of the Shared Use Area’s status. Military training is conducted within Combat Center boundaries year-round, including ranges acquired during the land expansion that border the Shared Use Area and the Johnson Valley Off-Highway Vehicle Recreation Area.
When the Shared Use Area is closed for military training, the adjacent Johnson Valley Off-Highway Vehicle Recreation area remains open to the public. The Marine Corps will continue to implement robust public outreach to ensure the public is informed of the temporary change in land use. For additional information visit 29palms.marines.mil/Staff-Offices/Government-and-External-Affairs/Johnson-Valley/ or email smbplmsjohnsonvalley@usmc.mil.
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