NASA's Johnson Space Center is testing the Crew Medical Officer Digital Assistant (CMO-DA), a clinical decision support system to help astronauts diagnose and treat conditions when real-time Earth consultation is impossible, The Register reported June 27. The prototype runs fully offline on a terrestrial twin of HPE's Spaceborne Computer, using Red Hat-backed RamaLama to package and serve AI models as OCI containers, per Red Hat's blog (June 24, 2026). The system performs multimodal inference combining large language models and vision-language models; early trials used Objective Structured Clinical Examination metrics to evaluate outputs, according to a Google Cloud blog post from August 2025. Communication latency for Moon and Mars missions, and possible blackout windows, is a core driver for autonomous clinical decision support. Red Hat's June 2026 post indicates the next iteration will integrate Red Hat Enterprise Linux AI (RHEL AI) for a hardened, stable runtime stack. Red Hat said the system will be demonstrated to NASA leadership after Earth-based validation.