The population assigned to the Combat Center is 9,723, Active Duty members, 8,588 dependents, and approximately 1,398 civilians. Each year roughly one-third of the Marine Force and Marine Reserve units 50,000 Marines in all participate in the base’s training exercise program.

The Combat Center at Twentynine Palms occupies 932 square miles, or 596,000 acres of the southern Mojave Desert, compiling approximately three-quarters the size of Rhode Island.

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