// Risk Intelligence
| Risk Score | 6 / 10 Moderate |
| Facility Type | ⚔ Military Installation |
| Operator / Branch | US Marine Corps / MAGTF Training Command |
| Host County | San Bernardino County CA |
| Nearest City | Pepperell MA |
| Primary Risk Radius | 25 miles |
// Strategic Significance
Marine Corps Air Ground Combat Center Twentynine Palms is the largest Marine Corps base in the world by land area covering nearly 1 million acres of Mojave Desert. It is the Marine Corps' primary combined arms training center where all Marine expeditionary units conduct pre-deployment training. The vast desert ranges allow live-fire combined arms exercises impossible at smaller installations. Twentynine Palms is where the Marine Corps tests its most advanced combat tactics and concepts.
// Civilian Impact Assessment
The Twentynine Palms community is entirely economically dependent on the Marine base. The extreme Mojave Desert environment creates serious heat emergency risks — summer temperatures regularly exceed 115°F. Water supply is critical in this desert environment with the base and surrounding communities depending on limited groundwater. Military live-fire training creates wildfire risk in the surrounding Mojave.
// Evacuation & Shelter Guidance
Twentynine Palms residents should maintain extreme heat emergency preparedness given regular temperatures above 110°F. Water storage is critical. Wildfire from military training ranges can spread rapidly in desert wind conditions. Monitor San Bernardino County OES broadcasts. I-10 south to Palm Springs and west to Los Angeles are primary evacuation corridors.
// Recommended Preparedness Gear
Essential preparedness items for residents within the 25-mile risk zone of 29 Palms Marine Corps Base CA.
72-Hour Emergency Go-Bag Kit View on Amazon → Water Filtration System View on Amazon → Portable Generator View on Amazon →* ThreatMap USA participates in the Amazon Associates Program.