Moderna COVID-19 vaccinations are available aboard the Twentynine Palms Marine Base. The Naval Hospital Twentynine Palms is offering the Moderna COVID-19 vaccine to all eligible TRICARE beneficiaries, DOD civilians, and DOD contractors who are 18 years and older. Walk-ins are welcome, or schedule a vaccination appointment. Use the DHA Appointing Portal at https://informaticsstage.health.mil/COVAX or call (760) 830-2698. as well.” A Marine from the 3d Battallion, 11th Marines, 1st Marine Division, receives the Moderna COVID-19 vaccine. Photos from Naval Hospital Twentynine Palms. Share this: